Assume the following cost information for Marie Company: Selling price per unit $144 Variable costs per unit $80 Total fixed costs $80,000 Tax rate 40% If fixed costs increased by 10% and management wanted to maintain the original break- even point, then the selling price per unit would have to be increased to: 1 a. $158.40 b. $208.00 c. $150.40 d. $155.20