Keep two decimal points for all inter-stage calculations and final answers when necessary. Please get five classmates' signatures on a piece of paper and attach it to the end of this template The forecasted demands for the next 10 months are given The cost information is as follows: There are currently 50 workers employed regularly for 8 horns per day. The start month of planning horizon is January. According to the data of last December. 50 workers assembled approximately 14,400 finished goods with no over time, no idle time and no subcontract within 24 working days. The ending inventory of last December is 1,200 units and the company wants to have at least 1,500 units hi inventory at the end of the planning horizon (October). No shortage is allowed for each month. Write a linear programming model that minimizes the total costs under the following conditions: Workforce level for each month is constant. No overtime is allowed. No idle time is allowed. No subcontract is allowed