Ocean Cruisoline oflers nightly dinner cruises departing from several cities on the East Coast of the United Stases including Charleston, Baltimore, and Alexandria. Dinner cruse bckets sell for 550 per passenger. Ocean Cruiseline's variable cost of providing the dinner is $20 per passenget, and the foud cost of operating the vessels (depreciation, salaries, docking fees, and other expenses) is $210,000 per month. The company/s relevant range extends to 15,000 monthly passengers. The breakeven sales are 7,000 tickets sold. a. Compute the operating leverage factor when Ocean Cruseline selis 8,750 dinner cruises. b. If volume increases by 8%, by what percentage will operating incorte increase? c. If volume decreases by 3%, by what percentage will operating income decrease? a. Compute the operating leverago tactor when Ocean Cruiseline sels 8,750 dinner cruises. (Round your answer to one decimal place) First. identhy the formula, then compute the operating leverage factor