And

2. total regular production cost?

3. total subcontracting cost?

4. Total cost ?

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. a) The firm would like to begin development of an aggregate plan. For this plan, plan 5, the firm wishes to maintain a constant workforce of 6, using subcontracting to meet remaining demand. Evaluate this plan. To determine whether this plan is desirable, first calculate demand per day for each month (enter your responses rounded to the nearest whole number). Table 1 Month Production Days 22 Demand Forecast 950 1 January 2 February 3 March 18 750 21 750 Avg Dem Per Other data Prod. Day Inventory carrying cost $8 per unit per month Subcontracting cost per unit $12 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) 21 4 April 5 May 6 June 22 1,000 1,300 1,050 20