Income Statements under Absorption Costing and Variable Costing Crazy Mountain Sports Inc. assembles and sells snowmobile engines. The company began operations on March 1 and operated at 100% of capacity during the first month. The following data summarize the results for March: a. Prepare an income statement according to the absorption costing concept. b. Prepare an income statement according to the variable costing concept. c. What is the reason for the difference in the amount of operating income reported in (a) and (b)? Under the method, the fixed manufacturing cost included in the cost of goods sold is matched with the revenues. Under , all of the fixed manufacturing cost is deducted in the period in which it is incurred, regardless of the amount of inventory change. Thus, when inventory increases, the income statement will have a higher operating income