f required, found interim per unit calculations to the nearest cent. informabon has been collected in the Microsoft rxcel Ontine file. Open the spreadsheet, perform the required analysis, and input your answers in the questions below Prepare an income statement according to the absorption costing concept. b. Prepare an income statement according to the variable costing concept. Variable cost of goods sold Manufacturing marqin Variablesellingandadministrativeexpenses Contribution marqin Fixed costs: Fixed factory overhead costs Fixed selling and administrative expenses operating income