Shown here is an income statement in the traditional format for a firm with a sales volume of 17,500 units: Revenues Cost of goods sold ($10,500 + $2.85/unit) $210,000 60,375 Gross profit $149,625 Operating expenses: Selling ($2,250 +$1.00/unit) Administration ($5,000 + $0.40/unit) Operating income 19,750 12,000 $117,875) Required: a. Prepare an income statement in the contribution margin format. b. Calculate the contribution margin per unit and the contribution margin ratio. c. Calculate the firm's operating income (or loss) if the volume changed to 1. 22,500 units. 2. 9,500 units. d. Refer to your answer to part a when total revenues were $210,000. Calculate the firm's operating income (or loss) if unit selling price and variable expense per unit do not change and total revenues 1. Increase by $14,500. 2. Decrease by $8,500. Complete this question by entering your answers in the tabs below. Required A Required B Required C1 Required C2 Required D1 Required D2 Prepare an income statement in the contribution margin format. Contribution Margin Income Statement Variable expenses: Total variable expenses Fixed expenses: Total fixed expenses Complete this question by entering your answers in the tabs below. Required A Required B Required C1 Required C2 Required D1 Required D2 Calculate the contribution margin per unit and the contribution margin ratio. (Do not round intermediate your answers to 2 decimal places.) Contribution margin per unit. Contribution margin ratio % < Required A Required C1 > Complete this question by entering your answers in the tabs below. Required A Required B Required C1 Required C2 Required D1 Required D2 Calculate the firm's operating income (or loss) if the volume changed to 22,500 units. (Do not round calculations.) < Required B Required C2 > 2. Decrease by $8,500. Complete this question by entering your answers in the tabs below. Required A Required B Required C1 Retired C2 Required D1 Required D2 Calculate the firm's operating income (or loss) if the volume changed to 9,500 units. (Do not round interme < Required C1 Required D1 > Complete this question by entering your answers in the tabs below. Required A Required B Required C1 Required C2 Required D1 Required D2 Refer to your answer to part a when total revenues were $210,000. Calculate the firm's operating income (or loss) if unit selling price and variable expense per unit do not change and total revenues, calculate the firm's operating income (or loss) if unit selling price and variable expense per unit do not change and total revenues increase by $14,500. (Do not round Intermediate calculations.) Complete this question by entering your answers in the tabs below. Required A Required B Required C1 Required C2 Required D1 Required D2 Refer to your answer to part a when total revenues were $210,000. Calculate the firm's operating income (or loss) if unit selling price and variable expense per unit do not change and total revenues. calculate the firm's operating income (or loss) if unit selling price and variable expense per unit do not change and total revenues decrease by $8,500. (Do not round intermediate calculations.)