Luxury Cruiseline offers nightly dinner cruises off the coast of Nanaimo and Victoria. Dinner cruise tickets sell for $ 50 per passenger. Luxury Cruiseline's variable cost of providing the dinner is $ 10 per passenger, and the fixed cost of operating the vessels (depreciation, salaries, docking fees, and other expenses) is $ 196 comma 000 per month. The company's relevant range extends to 20 comma 000 monthly passengers. Use this information to compute the following: a. What is the contribution margin per passenger? b. What is the contribution margin ratio? c. Use the unit contribution margin to project operating income if monthly sales total 15 comma 000 passengers. d. Use the contribution margin ratio to project operating income if monthly sales revenue totals $ 640 comma 000. Question content area bottom Part 1 a. What is the contribution margin per passenger? First identify the formula, and then compute the contribution margin per passenger. Part 2 Sales price per passenger - Variable cost per passenger = Contribution margin per passenger $50 - $10 = $40 Part 3 b. What is the contribution margin ratio? (Round your answer to two decimal places.) First identify the formula, and then compute the contribution margin ratio. Part 4 Contribution margin per passenger / Sales price per passenger = Contribution margin ratio $40 / $50 = 0.80 Part 5 c. Use the unit contribution margin to project operating income if monthly sales total 15 comma 000 passe