A businessman is considering opening a small specialized trucking firm. To make the firm profitable, it is estimated that it must have a daily trucking capacity of at least 84,000 cu. ft. Two types of trucks are appropriate for the specialized operation. Their characteristics and costs are summarized in the table below. There are 41 potential drivers available and there are facilities for at most 40 trucks. The businessman's objective is to minimize the total cost outlay for trucks. Capacity Drivers Truck Cost Cu. Ft. Needed Small $ 18,000 2,400 1 Large $45,000 6,000 3 Formulate this as a linear programming problem. (a) List the decision variables. (b) Write down the formulation. Label each constraint appropriately