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. This exeroise only contains part a. 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 responsea rounded to the nearest whole number). The production rate per day =30 units. (Enter your response as a whole number.) Fill in the table below. (Enter your responses as whole numbers.) The total regular production cost =$ (Enter your response as a whole number)