Jimbob Co's records include the following information for the month of January:Units manufacturedUnits soldSelling price per unitVariable manufacturing costs per unit:Direct materialsDirect labourManufacturing overhead$$5$$$2$$$1$Variablelselling and administrative expenses per unit sold $$1$Total fixed costs:Manufacturing overheadSelling and administrative expenses$5,0004,000$$$50$$$10,000$$$20,000$PerplexityThere were no beginning inventories.Using variable costing, what is the contribution margin per unit for January? $$33\mathrm{.}50.$ $$38\mathrm{.}50.$ $$41\mathrm{.}00.$QSearch