Derby Phones is considering the introduction of a new model of headphones with the following price and cost characteristics $ Sales price Variable costs Fixed costs 23 per unit 6 per unit 25,000 per month Assume that the projected number of units sold for the month is 5,500. Consider requirements (6). (9and (independently of each other Required: a. What will the operating profit be? b. What is the impact on operating profit if the sales price decreases by 10 percent increases by 20 percent? c. What is the impact on operating profit if variable costs per unit decrease by 10 percent? Increase by 20 percent? d. Suppose that fixed costs for the year are 10 percent lower than projected, and variable costs per unit are 10 percent higher than projected. What impact will these cost changes have on operating profit for the year? Will profit go up? Down? By how much? Required A Required B Required Required D What will the operating profit be? Operating profit Requited Required B Required A Required B Required Required D What is the impact on operating profit if the sales price decreases by 10 percent? Increases by 20 percent? (Do not re intermediate calculations.) Sales price decreases by 10 percent Sales price increases by 20 percent Operating profit Operating profit by by Required A Required B Required Required D What is the impact on operating profit if variable costs per unit decrease by 10 percent? Increase by 20 percent? (Dor intermediate calculations.) decreases Variable costs per unit decrease by 10 percent. Variable costs per unit increase by 20 percent Operating profit Operating profit by by Required A Required B Required C DULCE Required D Suppose that fixed costs for the year are 10 percent lower than projected, and variable costs per unit are 10 percent hi than projected. What impact will these cost changes have on operating profit for the year? Will profit go up? Down? By much? (Do not round intermediate calculations.) Operating profit by