Playtime Park competes with Fun World by providing a variety of rides. Playtime sells tickets at $85 per person as a one-day entrance fee. Variable costs are $17 per person, and fixed costs are $428,400 per month. The breakeven number of tickets is 6,300. If Playtime Park expects to sell 6,500 tickets, compute the margin of safety in tickets and in sales dollars. Begin by selecting the formula labels and then entering the amounts to compute the margin of safety in units. Margin of safety in units Begin by selecting the formula labels and then entering the amounts to compute the margin of safety in dollars. Margin of safety in dollars X