5. Use LFL, EOQ, POQ, PPB technique to find the suitable lot sizing alternative for the following data:

Week	1	2	3	4	5	6	7	8	9	10	11	12
Gross Requirements	30	40	30	45	35	55	40	30	50	40	35	30

Lead time 0 weeks

Setup costs = 216.000 VND

Holding costs = 2.000 VND/week.

Beginning inventory = 10 units