Ignore any idle-time costs. Evaluate the following plan. This exercise contains only Plan E. Plan E: Keep the current workforce, which is producing 1,600 units per month, and subcontract to meet the rest of the demand. Subcontract cost is $75 per unit. The total subcontracting cost =$ (Enter your response as a whole number.) The total inventory holding cost for January through August =$ (Enter your response as a whole number.) The total cost, excluding normal time labor costs, for Plan E=$ . (Enter your response as a whole number.)