a. It Del Rosario Company, with a breakeven point of $288,100 of sales, has actual sales of $430,000, what is the margin of safety expressed (1) in dollars and (2) as a percentage of sales? Round the percentage to the nearest whole number. 1. 1 2. b. If the margin of sofety for Del Rosario Company was 20%, fixed costs were 3897,600 , and varlable costs were Bo\% of sales, what was the amount of actual salel (dollars)? (Hint: Determine the break-even in sales doliars first)