Total of 3 parts

I blurred out the solutions because they were incorrect.

per lamp is $20. As part of its new JIT program, Discount-Mart has signed a long-term contract with Specialty Lighting and will place orders electronically for its halogen lamps. a) What is the economic order quantity? units per order (round your response to the nearest whole number). b) How many orders will be placed? 166 per year (round your response to the nearest whole number). c) What is the total annual cost of managing the inventory with this policy?: (round your response to the nearest whole number). \#2 The kanban size is (round your response to the nearest whole number). The number of kanbans is (round your response to the nearest whole number)