a. Given the graphs above, calculate the total fixed costs, variable costs per unit, and sales price for firm A. Firm B's faxed costs are $120,000, its variable costs per unit are \$4, and its sales price is $8 ber unit. Alound your answers to the nearest cent. Fined costs: 5 Variable costs per unit: Sales price per unit: \$ b. Which firm has the higher operating leverage at aby given level of sales? units