Problem: Based on the information provided below, develop an Aggregate Plan using LEVEL WORKFORCE with OVERTIME strategy. A company that produces specialty microwave ovens has hired you to develop its aggregate man-power plan for the first four months of the year using a level workforce (overtime is allowed at the rate of 20% for two months). The demand forecast over next four months is given as follows: January February March April 100 The company pays a salary of S40 per hour (8 hours per day, five days a week, 4 weeks a month) to its workers employees in regular time. However, overtime is paid at an extra 60%. A worker produces, at an average, 10 microwaves per month. It costs $10 to carry a microwave in inventory for a month. The company has told you that it has 20 workers on its roll currently and that it has 30 microwaves left over from the previous plan. The company also wants to maintain an inventory of 10 microwaves at the end of the plan. The hiring and lay-off costs are respectively $600 and $1200