a. Given the grophs above, colculate the total fixed costs, variable costs per unit, and sales price for firm A. Firm B's fixed costs are 5120,000 , its Variable costs per unit are 54 , and its sales price is $8 per unit. Round your answers to the nearest cent. Foxed costs: $ Varlable costs per unit: 5 Sales price per unitis 1 b. Which firm has the higher operobing leveroget at aby given lovel of sales? C. At what soles levei, in units, do both firms earn the same operoting profit? round your answer to the nearest whole number. units