Consider the following Aggregate Planning problem a. What is the production rate per worker per day? b. What is the current production rate per day? c. What is the wage rate per worker per day? d. What is the OT production cost per unit? e. What is the production rate per day with 25 workers? Round down to the nearest integer f. Assuming the same number of workers and daily production rate from (e) develop a "Mixed" plan with no ending inventory in excess of safety stock. Use overtime first to make up shortages if any, and then use subcontracting. Round overtime capacity down to the nearest integer. Prepare a summary of costs. Show all your work and the result should be Total cost = $550, 640