a. If Kirwan Company, with a breakeeven point at $324,900 of sales, has actust sales of $570,000, what is the margin of safety exprested (1) in dollars and (2) as a percentage of sales? 1.1 2. b. If the margin of safety for Kinwan Company was 25\%s, fixed costs were 31,593,750, and variable costa were 75% of sales, what was the amount of actual sales (dollsrs)? (Hint: Determine the break even in sales dollars firsti)