please do the equation out and how you go the different parts of it for margin of safety in dollars thanks!

Her foved expenses total $50,000. Compute her margin of safety a. in units (quits). b. in sales dollars. c. as a percantigge of expected sales. a. Compute hee margin of safety in units (quilts) Begin by determining the formula, then compute the margin of salety in unts (quilts) b. Compute her margin of safety in sales doltars. Begin by detormining the formula, then compule Vickis margin of safety in solos dollars