Consider the following information about an end product item:

6 . Consider the following information about an end product item :" Ordering cost = $90 / order Annual demand = 936 Inventory carrying cost = $2/ unit / week . a . How many orders should we place per year ( 52 weeks ) to replenish inventory of the item based on average weekly demand ? b . Given the following time - phased net requirements from an MRP record for this item , determine the sequence of planned orders using economic order quantity. and periodic order quantity procedures . Assume lead time equals zero and cur- rent on- hand inventory equals zero . Calculate the inventory carrying cost on the basis of weekly ending inventory values . Which procedure produces the lowest total cost for the eight - week period ? WEEK I 2 3 A 5 6 7 8 Requirements 18 5 13 115 9 O 18