Please help!

Sarah sells authentic Amish quilts on her website. Suppose Sarah expects to sel 2,500 quilts during the coming year. Her average sales peice per quit is $200, and her average coat per quilt is $150. Her fixed expenses total $100,000. Compute her margin of satety a. in units (quilts). b. in sales dollars. c. as a percentage of expected sales. a. Compule her margin of safety in units (quils). Begin by determining the formula, then cortpute the margin of safety in units (quils)