Need help on these two questions. I took two pictures of the second question to show both parts. Please show steps, thank you!

Whirly Corporation's contribution format income statement for the most recent month is shown below: Sales (8,100 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 267,300 153,900 113,400 54,200 $ 59,200 Per Unit $ 33.00 19.00 $ 14.00 Required: (Consider each case independently): 1. What would be the revised net operating income per month if the sales volume increases by 90 units? 2. What would be the revised net operating income per month if the sales volume decreases by 90 units? 3. What would be the revised net operating income per month if the sales volume is 7,100 units? 1. Revised net operating income 2. Revised net operating income 3. Revised net operating income Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. Required: a. Assume that only one product is being sold in each of the four following case situations: b. Assume that more than one product is being sold in each of the four following case situations: Complete this question by entering your answers in the tabs below. Required A Required B Assume that only one product is being sold in each of the four following case situations: (Loss amounts should be indicated by a minus sign.) Case 1 Case #2 Case 3 Case Unit sold 9.400 20,300 5,800 Salon $ 319,600 $ 288,200 $ 145,000 Variable expenses 178,600 243 600 Fixed expenses 81.000 169,000 76,000 Nel operating income (loss) $ 14,400 $ 161,600 $ (23,800) Contribution margin per unit $ 14 $ 12 > CRA Required B Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. Required: a. Assume that only one product is being sold in each of the four following case situations: b. Assume that more than one product is being sold in each of the four following case situations: Complete this question by entering your answers in the tabs below. Required a Required B Assume that more than one product is being sold in each of the four following case situations: (Loss amounts should be indicated by a minus sign.) Case #1 Case 12 Case 13 Case Sales $ 443,000 $ 206.000 S 309,000 Variable expenses 129,780 89.610 Fixed expenses 60.000 473,000 Net operating income (los) $ 37,050 108.280 $ 2,390 Contribution margin ratio (percent) 35% 96 84% %