7.) Qhanlon Corporation manufactures numerous products, one of which is called Delta27. The company has provided the following data about this product: Unit sales (a) Selling price per unit 180,000 $ 62.00 41.00 $ 21.00 $ 3,780,000 3,360,000 $ 420,000 Variable cost per unit Contribution margin per unit (b) Total contribution margin (a) x (b) Traceable fixed expense Net operating income Required: I a. Management is considering increasing the price of Delta27 by 5%, from $62.00 to $65.10. The company's marketing managers estimate that this price hike would decrease unit sales by 10%, from 180,000 units to 162,000 units. Assuming that the total traceable fixed expense does not change, what net operating income will Delta27 earn at a price of $65.10 if this sales forecast is correct? b. Assuming that the total traceable fixed expense does not change, if Qhanlon increases the price of Delta27 to $65.10, what percentage change in unit sales would provide the same net operating income that it currently earns at a price of $62.00? (Round your answer to the nearest one-tenth of a percent.)