3. Given the demands on a 12-week period as follows.

3. Given the demands on a 12-week period as follows. Week 1 2 3 4 5 6 7 Demand 80 45 40 25 30 95 50 8 20 9 75 10 40 11 60 12 75 The production setup cost is K = $750. The inventory holding cost is h = $5 per unit per week. a (10 pts). Find the lot-sizing schedule using EOQ model, and calculate the total cost. b (12.5 pts). Find the lot-sizing schedule using Silver-Meal heuristic, and calculate the total cost. C(12.5 pts). Find the lot-sizing schedule by least unit cost method, and calculate the total cost. d (15 pts). Find the lot-sizing schedule by part period balancing method, and calculate the total cost. 3. Given the demands on a 12-week period as follows. Week 1 2 3 4 5 6 7 Demand 80 45 40 25 30 95 50 8 20 9 75 10 40 11 60 12 75 The production setup cost is K = $750. The inventory holding cost is h = $5 per unit per week. a (10 pts). Find the lot-sizing schedule using EOQ model, and calculate the total cost. b (12.5 pts). Find the lot-sizing schedule using Silver-Meal heuristic, and calculate the total cost. C(12.5 pts). Find the lot-sizing schedule by least unit cost method, and calculate the total cost. d (15 pts). Find the lot-sizing schedule by part period balancing method, and calculate the total cost