Income Statements under Absorption Costing and Variable Costing Calec ( nnn wnite ) \$) 6nnn If required, round interim per-unit calculations to the nearest cent. b. Prepare an income statement according to the variable costing concept. Crazy Mountain Sports Inc. Variable Costing Income Statement For the Month Ended July 31 Sales Variable cost of goods sold Manufacturing margin Variable selling and administrative expenses Contribution margin $ Fixed costs: Fixed factory overhead costs Fixed selling and administrative expenses Total fixed costs Operating income $ a. Prepare an income statement according to the absorption costing concept