Shown here is an income statement in the traditional format for a firm with a sales volume of 15 000 units format for a Revenues Cost of goods sold (39,000 $2 95/unit) Gross proft $150,000 $% 760 Seling ($2,150 $0 90/unit) Administration ($5,200+$0.40unit) 15,650 Operating income S 69,900 Required: a. Prepare an income statement i the contribution margin format Variable expenses Total vaniable expenses Fixed expenses Total fixed expenses Refer to your answer to part a when total revenues were $150,000. d-1. Cabaiate the finn''s operating roome 0r loss)if unit seling prioe and vanate expense per unit do not change and total se onues increase by $14.500. (Do not round intermed ate d-2, Cablate the 5tm's operating roome 4or loss)if unt seling poe and varatie expense per unit do not change and total tevenues decrease by $8.00 (Do not round antermediate