Questlon 32 Martin Footwear Co. produces high-quality shoes. To prepare for next year's marketing campaign, the company's controller has prepared the following information for the current year, 2020: Variable costs (per pair of shoes) Direct materials $41.00 Direct manufacturing labour 20.00 Variable overhead (manufacturing, marketing, distribution, customer service, and administration) 24.00 Total variable costs $85.00 Fixed costs Manufacturing Marketing, distribution, and customer service $2,645,000 525,000 750,000 $3,920,000 Administrative Total fixed costs Selling price per pair of shoes Expected revenues, 2020 (51,500 units) Income tax rate $185 $9,527,500 40% (c) The company controller has set the revenue target for 2021 at $10,582,000 (or 57,200 pairs). He believes an additional marketing cost of $428,000 for advertising in 2021, with all other costs remaining constant, will be necessary to attain the revenue target. Calculate the operating income for 2021 if the additional $428,000 is spent and the revenue target is met. Operating income