The estimated operating income will be $ 66,120 Requirement 5. Prove your answer to Requirement 4 by preparing a contribution margin income statement with a 40% increase in total sales. (The sales mix remains unchanged.) Sweet Pea Donuts Contribution Margin Income Statement Month Ended August 31, 2016 Sales Revenue Variable Costs Contribution Margin Fixed Costs Operating Income Data table Sweet Pea Donuts Contribution Margin Income Statement Month Ended August 31, 2016 Sales Revenue Variable Costs: Cost of Goods Sold Selling Costs Administrative Costs Contribution Margin Fixed Costs: Selling Costs Administrative Costs Operating Income Print $ 32,100 17,300 1,800 31,050 10,350 Done $ 128,000 $ 14 51,200 76,800 41,400 35,400 X Minimize