Sillyday Park competes with Fun World by providing a variety of rides. Sillyday sells tickets at $125 per person as a one-day entrance fee. Variable costs are $75 per person, and fixed costs are $325,000 per month. Compute the contribution margin per unit and the number of tickets Sillyday Park must sell to break even. Perform a numerical proof to show that your answer is correct. Begin by selecting the formula labels and then entering the amounts to compute the contribution margin per unit. Contribution margin per unit Begin by selecting the formula labels and then entering the amounts to compute the number of tickets Sillyday must sell to break even. (Abbrevision used: CM = contribution margin. Complete all answer boxes. For items with a zero value, enter "0".) Required sales in units Perform a numerical proof that the number of tickets to breakeven you computed in the preceding step is correct. Begin by selecting the formula and then entering the amounts to compute the target profit to breakeven. Complete all answer boxes. For items with a zero value, enter "o".) -Target profit