Ram Roy's rm has developed the following supply, demand, cost, and inventory data. D Supply Available Regular Demand Period Time Overtime Subcontract Forecast 1 4O 15 10 50 2 35 15 10 60 3 4O 20 1O 60 Initial inventory 30 units Regular-time cost per unit $100 Overtime cost per unit $150 Subcontract cost per unit $250 Carrying cost per unit per month $4 Assume that the initial inventory has no holding cost in the first period and backorders are not permitted. Allocating production capacity to meet demand at a minimum cost using the transportation method, the total cost is $ (enter your response as a whole number)