Product (P_i)

Processing time per batch (min)―t_i

Number of labourers needed

Required labour time (min)

Mixing

Cutter

Baking & Cooling

Stacking

Mixing

Cutter

Baking & Cooling

Stacking

P₁

30

10

6

5

14

300

180

150

420

P₂

25

12

5

5

18

300

125

125

450

P₃

20

12

5

5

18

240

100

100

360

P₄

26

12

5

5

18

312

130

130

468

P₅

40

10

6

5

20

400

240

200

800

P₆

50

10

6

5

6

500

300

250

300

P₇

45

10

6

5

6

450

270

225

270

P₈

50

10

6

5

6

500

300

250

300

P₉

50

10

6

5

6

500

300

250

300

P₁₀

30

10

6

5

6

300

180

150

180

P₁₁

30

12

5

5

18

360

150

150

540