The Wetski Water Ski Company is the world's largest producer of water skis. As you might suspect, water skis exhibit a highly seasonal demand pattern, with peaks during the summer months and valleys during the winter months. Given the following costs and quarterly sales forecasts, use the transportation method to design an optimum production plan. Inventory carrying cost $=$$$3$ per pair of skis per quarter; Production per employee $=1000$ pairs of skis per quarter; Beginning workforce $=50$ workers; Overtime capacity $=50,000$ pairs of skis; Subcontracting capacity $=40,000$ pairs of skis; Cost of regular production $=$$$50$ per pair of skis; Cost of overtime production $=$$$75$ per pair of skis; Cost of subcontracting production $=$$$85$ per pair of skis; Demand in Qtr $1=,50,000$; Demand in Qtr $2=150,000$; Demand in Qtr $3=200,000$; Demand in Qtr $4=52,000.$ What is the cost of the optimum production plan?