Problem 7-9 (Algo) Ergonomics Inc. sells ergonomically designed office chairs. The company has the following information: Average demand = 32 units per day Average lead time = 46 days Item unit cost = $66 for orders of less than 360 units Item unit cost = $64 for orders of 360 units or more Ordering cost = $41 Inventory carrying cost = 25% The business year is 250 days Assume there is no uncertainty at all about the demand or the lead time. a. Calculate EOQ if unit cost is $66 and $64. (Note: These EOQs do not need to be feasible in their price range.) (Round up you answers to the next whole number.) Unit cost at $66 Unit cost at $64 units units b. Calculate annual ordering costs for each alternative? (Round your answers to 2 decimal places.) Annual Ordering Cost b. Calculate annual ordering costs for each alternative? (Round your answers to 2 decimal places.) Annual Ordering Cost Unit cost at $66 Unit cost at $64 c. Calculate annual inventory carrying costs for each alternative? (Round your answers to 2 decimal places.) Annual Inventory Carrying Cost Unit cost at $66 Unit cost at $64 d. Calculate annual product costs for each alternative? Annual Product Cost Unit cost at $66 d. Calculate annual product costs for each alternative? Annual Product Cost Unit cost at $66 Unit cost at $64 e. What will be the total costs for each alternative? (Round your answers to 2 decimal places.) Total Cost Unit cost at $66 Unit cost at $64 f. Based on your analysis, how many chairs should they order at a time? Order Quantity chairs Total Cost Unit cost at $66 Unit cost at $64 f. Based on your analysis, how many chairs should they order at a time? Order Quantity chairs g. How much can the firm save annually by using the order quantity in Part finstead of the first EQ shown in Parta? (Round your answer to 2 decimal places.) Amount saved