PART III-19 POINTS) Speedy Shipping is a trucking company that transports goods nationwide. After an analysis of its costs, Speedy has determined that it incurs a total of $75,000 of costs at the lowest level of service (100 shipments/year), and $375,000 of costs at the highest level of shipments (1,600/year). Required: 1. Compute the variable cost per unit. 2. Compute total fixed costs 2. Compute the total cost of 110 shipments