answer the numerical and mcq asap.

10 points A museum of natural history opened a gift shop which operates 52 weeks per year. Managing inventories has become a problem. Top-selling SKU is a bird feeder. Sales are 18 units per week, the supplier charges $60 per unit. Ordering cost is $45. Annual holding cost is 25 percent of a feeder's value. Management chose a 390-unit lot size. What is the annual cycle-inventory cost of the current policy of using a 390-unit lot size? Would a lot size of 468 be better? Show your work Your answer Determine the optimal number of units to order D = 1,000 units per year S 5 points = $10 per order H = $.50 per unit per year. Show your work Your answer How does JIT differs from MRP * 3 points O Both are systems utilized by operations managers to provide reports to senior management O JIT systems are focused on trimming employee tardiness O MRP systems focus on manufacturing retail products (MRP) O Both are systems focused on reducing inventory costs while making materials available for on-time production