Coast Cruiseline oflers nightly dinher cruises departing from spveral cises on the East Coast of the Uhiled States including Chavioston, Eatimore, and Alexandria. Dirnor cuise tikiets cell for sse per passenget. Coast Cruiseline's variable cost of providing the dinner is $20 per passenger, and the foxed coet of operating the vessels (deprociation, salares. docking fees, and other axpenses) is margin of salety a. in units (dinner cruise tikkets). b. in sales dolars. c. as a percentage of sales. a. If Caast Cruiseline sols 12.000 dinner cuisns, compute the margin of safety in unsts (dinner cruise tokets) Aegin by determining the formula, then compute the margn of satety in units (dinner cruse tichots). b. If Coast Cruiseline selis 12,000 dinner cuubes, compute the margin of sadety in sales doltars. Begin by determining the formula, thon compute the margin of satety in sains dollars: c. It Coast Cruiseline sels 12,000 dinner cruises, compute the mavgin of salety as a percentage of sales. Begin by deserinining the formula, then compute the margn of satety as a percentage of sales. (Round the percentige to the noarost tenth porcant. Xx6 )