I need help in part B. Thanks!

Margin of Safety a. If Canace Company, with a break-even point at $285,600 of sales, has actual sales of $510,000, 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. $ 224,400 2. 44 % b. If the margin of safety for Canace Company was 40%, fixed costs were $1,564,800, and variable costs were 60% of sales, what was the amount of actual sales (dollars)? (Hint: Determine the break-even in sales dollars first.) 5,880,000 X