Mission Company has three product lines: D, E, and F. The following information is available: Sales revenue $85.000 $44,000 $20,000 Variable expenses $45,000 $21,000 $12,000 $40,000 $23,000 $8,000 $15.000 $12,000 $17,000 Fixed expenses $28,000 Operating income (105) $8,000 $(9.000) Mission Company is thinking of discontinuing product line F because it is reporting an operating loss. All fixed costs are unavoidable. Assume Mission Company is able to increase the sales revenue of product F to $35,000 with no change in volume of units sold and no change in variable costs or fixed costs. What affect will this have on operating income? O A. Decrease $20,000 OB. Decrease $15,000 OC. Increase $42,000 OD. Increase $15,000