Blossom Company is considering a purchase of equipment that costs $78400. The equipment has a 7-year life and no salvage value. Blossom uses straight-line depreciation. The equipment has a payback period of 4 years. The accounting rate of return is closest to O 39.3%. O 3.6%. 25.0%. O 10.7%. Assume sales of $13100, variable costs of $6600, and fixed costs of $2200. Calculate contribution margin and operating income. O Contribution margin = $13000; Operating income = $4300 O Contribution margin = $8700; Operating income =$4300 Contribution margin = $10900; Operating income = $4300 O Contribution margin = $6500; Operating income = $4300