i need help with C and D

Shown here is an Income statement in the traditional format for a firm with a sales volume of 7.600 units. Cost formulas also are shown: $34,700 21,480 $13,220 Revenues Cost of goods sold ($5,980 - $2.65/unit) Gross profit Operating expenses: Selling (51,170 + $0.10/unit) Administration ($3,800 + $0.20/unit) Operating income 1,938 5,320 $ 5,970 Required: a. Prepare an Income statement in the contribution margin format. b. Calculate the contribution margin per unit and the contribution margin ratio. Calculate the firm's operating Income for loss) If the volume changed from 7.600 units to 1. 11,400 units. 2. 3.800 units. d. Refer to your answer to part a for total revenues of $34,700. Calculate the firm's operating Income (or loss) If unit selling price and variable expenses per unit do not change and total revenues 1. Increase by $13,500. 2 Decrease by $3.000. Complete this question by entering your answers in the tabs below. Required D2 Required A Required B Required c1 Required C2 Required D1 Prepare an income statement in the contribution margin format. Contribution Margin Income Statement Revenue $ 34,700 Variable expenses Cost of goods sold $ 25,580 % Seling expenses 780 Administrative expenses 1,520 so 27.880 8.840 > Total variable expenses Contribution margin Fixed expenses Cost of goods sold Seling expenses Administrative expenses 5,900 1,170 3,800 Totallivarlavrancas 1n 970 Contribution Margin Income Statement Revenue $ 34,700 Variable expenses Cost of goods sold $ 25,580 % Selling expenses 760 Administrative expenses 1,520 27,860 6,840 Total variable expenses Contribution margin Fixed expenses Cost of goods sold Selling expenses Administrative expenses 5.900 1,170 3,800 Total fixed expenses Operating income 10.870 $ 4,030)