BAI TAP Chng d bao nhu cau

1/ Da vao tai lieu sau anh (ch) hay d bao san lng sn phm ban ra theo phng phap san bang so mu bac 2 va tnh o lech tuyet oi bnh quan?

- Biet rang: = 0,2 ; = 0,5.

- Lng ieu chnh cua thang 1 = 0.ThangNhu cau thc te

( cai )Nhu cau d bao

Ft

1

2

3

4

5

6

7200

215

180

195

250

255

290180

2/ Tai mot ca hang co so lieu thong ke ve so lng sn phm ban ra trong 2 nam qua (theo tng quy) nh sau: n v tnh : chiec

QuyNam

20132014

1180200

2190220

3280320

4200240

Yeu cau:a/ Hay dung phng phap d bao theo ng thang xu hng e d bao so sn phm c ban ra trong nam 2015 (theo tng quy).Cho nhan xet ve ket qua d bao. b/ Hay dung phng phap d bao theo ng xu hng co ieu chnh theo mua e d bao so sn phm c ban ra trong nam 2015(theo tng quy). c/ Hay dung phng phap d bao theo ng xu hng co ieu chnh theo mua e d bao so sn phm c ban ra trong nam 2015 (theo tng quy).Biet rang d bao nhu cau cho ca nam 2015 la 1200 chiec.3/ Tai mot ca hang co so lieu thong ke ve so lng sp ban ra trong 2 nam qua nh sau:

Thang123456789101112

2013100110110150160170200220240140120110

2014120130130170180190220240260160140130

Yeu cau:Hay dung phng phap d bao theo ng xu hng co ieu chnh theo mua (theo quy) e d bao so sp c ban ra trong nam 2015 (theo tng quy).

4/ Tc tng nng sut lao ng l yu t nh hng n doanh s ca cng ty. Hy dng phng php d bo theo theo mi quan h tng quan d bo doanh s ca cng ty trong thng 7. Bit rng doanh s thc t v tc tng nng sut lao ng ca cng ty trong 6 thng u nm nh sau :

Thng123456

Doanh s ( trm triu ng )55,878,28,69

Tc tng NSL (%)22,433,63,84

Chng Hoach nh tong hp

1/ Nhu cau mot loai san pham c d bao nh sau :

Thang123456

Nhu cau288024003040336031204400

So cong nhan cuoi thang 12 nam trc la 37 ngi.nh mc san lng cho mot cong nhan la 80 sp/thang.Chi ph ton kho cho san pham la 40.000 ong/sp/thang.Chi ph ao tao 900.000 ong/ngi, sa thai 700.000 ong/ngi.Chi ph tien lng trong gi la 40.000 ong/san pham, ngoai gi tang 50%.

Yeu cau :Hay hoach nh va tnh chi ph cho 3 phng an san xuat vi phng an 1,2 khong co san xuat ngoai gi; phng an 3 khong co ao tao , sa thai cong nhan.

2/ Dung bai toan van tai e lap ke hoach san xuat toi u nhat theo tai lieu di ay:

1. D bao nhu cau va kha nang san xuat cua mot doanh nghiep qua cac thang c cho theo bang sau : (T)

Ch tieuThang

789

1. Nhu cau

2.Kha nang san xuat

- Bnh thng

- Vt gi

- Hp ong phu

- D tr ban au 1.600

1.400

100

300

200 2.000

1.400

100

300

- 1.500

1.400

100

260

-

2. Chi ph bien ong tuyen tnh nh sau: ( Trieu ong/T)

Chi phn v tnhThang

Th nhatTh haiTh ba

- San xuat bnh thng

- San xuat vt gi

- Hp ong phu

- D tr ban auTrong/T

Trong/T

Trong/T Trong /T/ thang100

120

140

0104

124

144

4108

128

148

8

3/ Nhu cau mot loai san pham c d bao nh sau :

Thang123456

Nhu cau

(SP/thang)8606007607801000820

Biet them: So cong nhan cuoi thang 12 nam trc la 36 ngi, lng ton kho thang 12 nam trc chuyen sang thang 1 la 60 san pham, nh mc san lng cho moi cong nhan la 20 san pham/thang. Chi ph ton tr cho moi n v san pham 240.000 ong/sp/nam. Chi ph ao tao 900.000 ong/ ngi, sa thai 800.000 ong/ngi. Chi ph tien lng trong gi 50.000 ong/sp, chi ph tien lng ngoai gi tang 60% so vi lng trong gi. Kha nang san xuat ngoai gi toi a 100 sp/thang. Lng ton kho cuoi thang 6 la 40 san pham.

Hay hoach nh va tnh chi ph cho 3 phng an san xuat trong o co 1 phng an gi nguyen so cong nhan hien co.

4/ Hoan chnh phng an san xuat di ay.

Thang123456Tong

Nhu cau31002900250034004400300019300

TK au ky 100

SX trong gi28002800280028002800280016800

TK cuoi ky50

SXngoai gi

Kha nang lam ngoai gi toi a bang 20% san xuat trong gi.

5/Nhu cau mot loai san pham c d bao nh sau :

Thang123456Tong cong

Nhu cau28803520224034403360376019200

Lng san pham ton kho au thang 1 la 80 san pham.So cong nhan cuoi thang 12 nam trc la 35 ngi.nh mc san lng cho mot cong nhan la 80 sp/thang.Chi ph ton kho cho san pham la 40.000 ong/sp/thang.Chi ph ao tao 900.000 ong/ngi, sa thai 800.000 ong/ngi.Chi ph tien lng trong gi 50.000 ong/san pham, ngoai gi 60.000 ong/sp. Kha nang lam ngoai gi toi a 30 % san xuat trong gi.

Hay hoach nh va tnh chi ph cho 3 phng an san xuat sao cho tn kho cui thang 6 la 80 sp trong o co mot phng an khong co ao tao va sa thai cong nhan.

Chng Quan Tr Hang Ton Kho1 Tai mot x nghiep san xuat co nhu cau hang nam la 12.500 kg nguyen lieu. Chi ph at hang cho moi n hang la 5 trieu ong, chi ph ton tr la 20.000 ong/kg/nm. X nghiep hoat ong 250 ngay nam, thi gian t hng la 30 ngay.

Yeu cau:

1) Xac nh lng at hang toi u.

2) So lan x nghiep at hang moi nam.

3) Khoang cach thi gian gia hai lan at hang.

4)iem at hang lai.2/ Mot doanh nghiep co nhu cau vt t A ca nam la 1.250 kg , chi ph at hang cho moi n hang la 200.000 ong, chi ph ton tr la 8.000 ong/ kg / nam . Dung mo hnh EOQ hay xac nh :

1. San lng hang toi u va so n hang trong nam.

2. Khoang cach gia hai lan mua hang biet rang trong nam doanh nghiep hoat ong la 250 ngay.

3. Tong chi ph ton kho va chi ph t hng hang nam.

4. iem at hang lai biet rang thi gian at hang la 6 ngay.

3/ Tai 1 cong ty co nhu cau ve mot loai vat t la 100 kg/ngay. Chi ph mot lan at hang loai vat t nay la 1.000.000 ong. Kha nang cung cap cua cong ty oi tac la 300 kg/ngay. Chi ph ton kho cho vat t ay la 3.000ong/kg/ nam. Cong ty hoat ong 360 ngay/nam.Theo anh ch , cong ty nen mua vat t nay trong nam bao nhieu t? Moi t bao nhieu kg va thi gian nhap bao nhieu ngay? Ton kho trung bnh cua vat t nay?4/ Tai 1 cong ty co nhu cau ve mot loai san pham X la 100 sp/ngay. Chi ph mot lan chuan b san xuat loai san pham X( chi ph at hang) la 1.000.000 ong. Kha nang san xuat cua cong ty la 300 sp/ngay. Chi ph ton kho cho san pham la 3.000ong/sp/ nam. Cong ty hoat ong 360 ngay/nam.Theo anh ch , cong ty nen san xuat trong nam bao nhieu t? Moi t bao nhieu san pham va san xuat bao nhieu ngay? Ton kho trung bnh cua san pham nay?

5/ Tai mot cong ty co nhu cau ca nam cua mot loai nguyen vat lieu la 5.000 kg. Chi ph at hang cho moi n hang la 500.000 ong. Ty le chi ph ton tr mot nam la 10% so vi gia mua.

Yeu cau :

1. Tnh san lng at hang toi u.

2. Hien nay doanh nghiep ang at hang vi so lng 800kg cho moi n hang, vay so tien lang ph la bao nhieu?

3. Bieu dien moi quan he gia san lng ton kho va chi ph tren mot o th.

Biet them: Bang chiet khau cho nh sau:

So lng mua (kg)n gia (ong/kg)

Di 100050000

T1000-di 200049000

T 200048500

6/ Tai mot doanh nghiep co nhu cau mot loai nguyen vat lieu la 800 kg/thang. Chi ph at hang cho moi n hang la 3.500.000 ong. Ty le chi ph ton tr nguyen vat lieu mot nam la 20% so vi gia mua. Yeu cau : So lng mua (kg)n gia (ong/kg)

Di 1600100.000

T 1600-di 320098.000

T 3200-di4800 94.000

T 4800 tr len90.000

1. Tnh san lng at hang toi u.

2. Hien nay doanh nghiep nay ang at hang vi so lng 1800 kg cho moi n hang, vay so tien lang ph hang nam la bao nhieu?

3. Ve o th minh hoa .

Bang gia chiet khau cho nh tren.7/ Nhu cau mot loai vat t trong thi gian at hang lai c thong ke nh sau:

( n v tnh : kg )

Nhu cau406080100120140160

So lan xuat hien246161084

Chi ph ton kho : 30.000ong/kg/nam.Chi ph thiet hai do thieu hang : 20.000ong/kg. Xac nh mc d tr an toan toi u cho loai vat t nay biet them rang thi gian at hang la 5 ngay, san lng at hang la 600 kg/n hang,thi gian gia hai lan at hang la 30 ngay, so ngay hoat ong thc te 360 ngay/nam.

Chng Hoach nh nhu cau vat t

1/ Hay ve s o cau truc san pham A theo thi gian nham co the giao hang sm nhat. Biet rang :

- e lap rap 1 n v san pham A can 3 X, 4M va 2 Z. Moi X can 2 W va 4 K. Moi K can 1 H va 2 Q. Moi M can 3 B, 4 U va 1 C. Moi Z can 2 W va 2 U. Moi U can 2 D va 2 B.

- Thi gian at hang nh sau (n v : tuan) :

HangAXMCWQZBUKHD

Thi gian223222122212

2/ Can c vao tai lieu sau ay :

1. e lap rap 1 n v san pham A can 2 X, 3 T va 2 Z. Moi X can 2 W ,1M va 2 K. Moi K can 1 H va 2 Q. Moi T can 3 B, 4 U va 1 C. Moi Z can 2 W va 2 U. Moi U can 2 D va 2 B.

2. Thi gian at hang ( tuan) va tnh hnh ton kho nh sau:

HangAXTCWQZBUKMHD

Thi gian1131321222132

Ton kho au ky1010551051010105101010

YEU CAU : Hay ve s o cau truc san pham A theo thi gian va neu tien o cung ng cac loai vat t e lap rap 100 A nham co the giao hang sm nhat .3/ Nhu cau mot loai vat t cua mot cong ty trong 12 tuan c d bao nh sau: (kg)

Tuan123456789101112

Nhu cau304030453555503030403530

Theo cac phng phap xac nh kch thc lo hang hay xay dng ke hoach at hang cho cac loai vat t tren. Biet chi ph mot lan at hang 216.000ng /lan. Chi ph ton kho 2.000 ong/kg/tuan.

4/ Nhu cau loai nguyen vat lieu A qua cac tuan cho bang sau :

Tuan012345678

Nhu cau (kg)2070201040609010

TKCK (kg)20

Biet them :

Chi ph ton kho : 10.000 ong/ kg / nam.

Chi ph at hang cho moi n hang : 1.250.000 ong.

Hay xay dng ke hoach at hang cho nguyen vat lieu A5/ Nhu cau 1 loai vat t nh sau :

Tuan12345678

Nhu cau2070201040605010

Chi ph 1 lan at hang la 1.250.000 ong. Chi ph ton kho 520.000 ong/kg/ nam. Ton kho au ky la 20 kg.Hay xay dng KH at hang cho loai vat t tren sao cho ton kho cuoi tuan th 8 la 40 kg.

Chng Lap lch trnh san xuat

1/ Co 3 cong nhan co the lam 3 viec vi so gi nh sau( gi):

CV

CNXYZ

A131016

B151814

C151012

Hay phan cong moi cong nhan lam moi viec e tong thi gian nho nhat

2/ Co 4 cong nhan lam 4 viec vi nang suat nh sau:

(SP/ngay)

Cong viec

Cong nhanXYZT

A15231918

B11172939

C17151934

D21191449

Hay bo tr e tong nang suat at cao nhat.

3/ Co 5 cong viec c gia cong tuan t tren 3may vi thi gian:

Cong viecThi gian gia cong (gi/may)

May 1May 2May 3

A8810

B14618

C12714

D979

E15817

Hay tm cac phng an, sap xep th t toi u cac cong viec. Tnh tong thi gian hoan thanh tat ca cac cong viec.

4/ Mot HTX van chuyen co 5 hp ong. Tien li cac xe khi thc hien cac hp ong nh sau:XeH1H2H3H4H5

A76898

B108967

C8109810

D991089

E87676

a. Hay phan cong nhiem vu cho cac xe.

b. Hay phan cong nhiem vu vi ieu kien tien li cho cac xe phai >700.000

c. Gia s co them H th 6 vi mc tien li tng ng la 10, 9, 8, 11, 10 (vt 100.000) th cong ty nen t choi H nao neu co the.

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