olarix is a retailer of atvs (all-terrain vehicles) and accessories. an income statement for its consumer atv department for the current year follows. atvs sell for $3,800 each. variable selling expenses are $270 per atv. the remaining selling expenses are fixed. administrative expenses are 40% variable and 60% fixed. the company does not manufacture its own atvs; it purchases them from a supplier for $1,830 each. polarix income statement—consumer atv department for year ended december 31, 2017 sales $ 646,000 cost of goods sold 311,100 gross margin 334,900 operating expenses selling expenses $ 135,000 administrative expenses 59,500 194,500 net income $ 140,400 required: 1. prepare an income statement for this current year using the contribution margin format