Type of machine purchased Only LA 511 Only LB 511 Only LC 511 a) Minimum number of machines needed to meet the annual demand b) Total cost of using the minimum number of machines c) Annual capacity utilization if the minimum number of machines is purchased d) Total cost of using the minimum number of machines (including fixed and variable costs) when hourly operating costs are different Table-Q3-4. Minimum number of machines needed and the total cost of the machines. NOTE: DO NOT formulate an LP to solve this problem. You will identify the lowest cost option by calculating the cost of each option separately