please answer part a thanks

MGMT216 Business Data Analytics Homework #5 Question 2: Retailers Warehouse (RW) is an independent supplier of household items to department stores. RW attempts to stock enough items for a 98 percent service probability A stainless steel knife set is one item it stocks. Demand (2,400 sets per year) is relatively stable over the entire year. Whenever new stock is ordered, a buyer must assure that numbers are correct for stock on hand and then phone in a new order. The total cost involved to place an order is about $5. RW figures that holding invesyry in stock and paying for interest on borrowed capital, insurance, and so on, add up to about $4 holing cost per unit per year. Analysis of the past data shows that the standard deliation of demand from retailers is about four units per day for a 365-day year. Lead time to get the order is seven days. Part (a). What is the economic order quantity? TESTO