12,000 dinner cruises, compute the margin of safety a. in units (dinner cruise tickets). b. in sales dollars. c. as a percentage of sales. a. If Live It Cruiseline sells 12,000 dinner cruises, compute the margin of safety in units (dinner cruise tickets). Begin by determining the formula, then compute the margin of safety in units (dinner cruise tickets). = Margin of safety in units = b. If Live It Cruiseline sells 12,000 dinner cruises, compute the margin of safety in sales dollars. Begin by determining the formula, then compute the margin of safety in sales dollars. I Margin of safety in dollars c. If Live It Cruiseline sells 12,000 dinner cruises, compute the margin of safety as a percentage of sales. Begin by determining the formula, then compute the margin of safety as a percentage of sales. (Round the percentage to the nearest tenth percent, X.X%.) Margin of safety as a = percentage of sales =