Shown here is an income statement in the traditional format for a firm with a sales volume of 17,000 units: 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. 22,000 units. 2. 9,000 units. d. Refer to your answer to part a when total revenues were $204,000. 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 $12,500. 2. Decrease by $10,000 Complete this question by entering your answers in the tabs below. Prepare an income statement in the contribution margin format. Complete this question by entering your answers in the tabs below. Prepare an income statement in the contribution margin format. 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. 22,000 units. 2. 9,000 units. d. Refer to your answer to part a when total revenues were $204,000. Calculate the firm's operating income (or lo price and variable expense per unit do not change and total revenues 1. Increase by $12,500. 2. Decrease by $10,000. Complete this question by entering your answers in the tabs below. Calculate the contribution margin per unit and the contribution margin ratio. (Do not round intermediate calculations. your answers to 2 decimal places.) 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. 22,000 units. 2. 9,000 units. d. Refer to your answer to part a when total revenues were $204,000. Calculate the firm's operating income (or loss) if unit se price and variable expense per unit do not change and total revenues 1. Increase by $12,500. 2. Decrease by $10,000. Complete this question by entering your answers in the tabs below. Calculate the firm's operating income (or loss) if the volume changed to 22,000 units. (Do not round intermediate calculations.) 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. 22,000 units. 2. 9,000 units. d. Refer to your answer to part a when total revenues were $204,000. 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 $12,500. 2. Decrease by $10,000. Complete this question by entering your answers in the tabs below. Calculate the firm's operating income (or loss) if the volume changed to 9,000 units. (Do not round intermediate calculations.) 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. 22,000 units. 2. 9,000 units. d. Refer to your answer to part a when total revenues were $204,000. 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 $12,500. 2. Decrease by $10,000. Complete this question by entering your answers in the tabs below. Refer to your answer to part a when total revenues were $204,000. 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 $12,500. (Do not round intermediate calculations.) 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. 22,000 units. 2. 9,000 units. d. Refer to your answer to part a when total revenues were $204,000. 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 $12,500. 2. Decrease by $10,000. Complete this question by entering your answers in the tabs below. Refer to your answer to part a when total revenues were $204,000. 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 $10,000. (Do not round intermediate calculations.)