b) Try a plan that holds employment steady (level strategy) by producing the average forecast for all four (enter your responses as whole numbers). Level Plan Quarter Forecast Production Ending Shortage Hire Layoff Inventory (Units) (Units) (Units) 1,600 0 1 1,400 1350 0 50 250 2 1,100 1350 200 0 0 3 1,600 1350 0 50 0 4 1,300 1350 0 0 0 The total cost, including normal time labor costs, for this level plan is (enter your response as a whole number).