Sarah sells authentic Amish quilts on her website. Suppose Sarah expects to sell 1,000 quilts during the coming year. Her average sales price per quilt is $300, and her average cost per quilt is $100. Her fixed expenses total $160,000. Compute her margin of safety a. in units (quilts). b. in sales dollars. c. as a percentage of expected sales. a. Compute her margin of safety in units (quilts). Begin by determining the formula, then compute the margin of safety in units (quilts). b. Compute her margin of safety in sales dollars. Begin by determining the formula, then compute Suzanne's margin of safety in sales dollars. ][]=Marginofsafetyindollars-= c. Compute her margin of safety as a percentage of expected sales. (Round the percentage to the nearest hundredth percent, c. Compute her margin of safety as a percentage of expected sales. (Round the percentage to the nearest hundredth percent, X.XX\%.) Begin by determining the formula, then compute Suzanne's margin of safety as a percentage of sales