I have been stuck on this problem all day. I have no idea how to calculate it or even begin. Any help would

be appreciated,

thank you. I'll attach the rest of the problem questions, but I mainly just need to understand how to do A and then hopefully I can figure out part b etc.

Problem 12-20 Prepare a contribution margin format income statement; answer what-if questions LO 7, 8, 9, 12 Shown here is an income statement in the traditional format for a firm with a sales volume of 15,000 units: $105,000 62,000 43,000 Revenues Cost of goods sold ($8,000 $3.60Vunit) Gross profit Operating expenses: Selling ($1,500+ $0.80Vunit) Administration ($4,000+ $0.50/unit) 13,500 11,500 $ 18,000 Operating income Required: a. Prepare an income statement in the contribution margin format Contribution Margin Income Statement $ 106,000 Variable expenses Administrative expense5 Selling expenses Cost of goods sold Total variable expenses Contribution margin Fixed expenses Administrative expenses Cost of goods sold Selling expenses S 105,000 Total fxed expenses S 105,000 ncome unit to 2 decimal places.) Round contribution margin per unit to 2 decir al places and the contibution margin ratio. (Round contribution margin per u n per unit and the contr bubon margin ratio. b: Cala ate the contribution mar c-1. Calculate the firm's operating income (or loss) if the volume changed from 15,000 units to 20,000 units. (Do not round Intermedlate calculations.) ating income c-2. Calculate the firm's operating income (or loss) If the volume changed from 15,000 units to 10,000 units. (Do not round intermediate calculations.) Refer to your answer to part a when total revenues were $105,000. d-1. Calculate the firm's operating income or loss if unit selling price and variable expense per unit do not change and total reverses rerease by ssoo d-2. 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 $10,000. ting income