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Estimated Income Statements, using Absorption and Variable Costing Prior to the first month of operations ending October 31, Marshall Inc. estimated the following operating results: The company is evaluating a proposal to manufacture 50,000 units instead of 40,000 units, thus creating an ending inventory of 10.000 unita, Manufacturing the additional units will not change sales, unit variable factory overhead costs, total fixed factory overhead cost, or total seiling and administrative expenses. a. 1. Prepare an estimated income statement, comparing operating results if 40,000 and 50,000 units are manufactured in the absorption costing format. If an amount box does not require an entry leave it blank. a. 2. Prepare an estimated income statement, comparing operating results if 40,000 and 50,000 units are manufactured in the variable costing format; If an amount box does not require an entry leave it blank