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A Juarez, Mexico, manufacturer of roofing supplies has developed monthly forecasts for a family of products. Data for the 6-month period January to June are presented in the table below. There are 8 hours of production per day. Table 1 Month 1 January 2 February 3 March 4 April 5 May 6 June Production Days 22 18 21 21 22 20 Demand Forecast 800 650 850 1,100 1,200 1,250 Other data Inventory carrying cost $5 per unit per month Subcontracting cost per unit $10 per unit Average pay rate $5 per hour ($40 per day) Overtime pay Rate $7 per hour (above 8 hrs per day) Labor-hours per unit 1.6 hrs per unit Cost of increasing daily $300 per unit production rate (hiring & training) Cost of decreasing daily $600 per unit production rate (layoffs) This exercise only contains part b. b) Juarez has yet a sixth plan. A constant workforce of 7 is selected, with the remainder of demand filled by subcontracting. Evaluate this plan. The production rate per day = 35 units. (Enter your response as a whole number.) Fill in the table below. (Enter your responses as whole numbers.) Demand 800 Regular Production 770 Subcontract (Units) 30 Month 1 January 2 February 3 March 650 630 20 850 735 115 1,100 735 365 4 April 5 May 1,200 770 430 6 June 1,250 700 550 330 The total regular production cost = $ 30,640. (Enter your response as a whole number.) The total subcontracting cost = $ 15,100. (Enter your response as a whole number.) Total cost with plan 6 = $ 45,740. (Enter your response as a whole number.) Enter your answer in each of the answer boxes