Purchase price of each box$200

Cost of placing and receiving an order $100

Cost of storing one box$4/year

Minimum usage per day 4 boxes

Maximum usage per day8 boxes

Lead time for an order5 days

The key ingredients come only in one Kg boxes and can make up to 20 meals per box. The restaurant is open 50 weeks a year and for 6 days a week.

question: how to calculate EOQ (economic order quantity)