and zero beginning and ending inventory, evaluate the following plan on an incremental cost basis: Plan A: Produce at a steady rate (equal to minimum requirements) of 1,200 units per month and subcontract additional units at a $65 per unit premium cost. Subcontracting capacity is limited to 500 units per month. (Enter all responses as whole numbers). The total subcontracting cost is computed as follows: Total subcontracting cost = Total units subcontracted Subontract cost per unit. The total cost, excluding normal time labor costs, for Plan A=$ (Enter your response as a whole number.)