Luxury Cruiseline offers nightly dinner cruises departing from several cities on the East Coast of the United States including Charleston, Baltimore, and Alexandria. Dinner cruise tickets sell for

$$50$ per passenger. Luxury Cruiseline's variable cost of providing the dinner is $$20$ per passenger, and the fixed cost of operating the vessels $($depreciation$,$ salaries, docking fees, and

other expenses$)$ is $$270,000$ per month. The company's relevant range extends to $15,000$ monthly passengers.

If Luxury Cruiseline sells an additional $700$ tickets, by what amount will its operating income increase $($or operating loss decrease$)?$

First, identify the formula, then compute the operating income increase $($or operating loss decrease$).$

Luxury Cruiseline offers nightly dinner cruises departing from several cities on the East Coast of the United States including Charleston, Baltimore, and Alexandria. Dinner cruise tickets sell for $\backslash (\backslash$$ $60\backslash )$ per passenger. Luxury Cruiseline's variable cost of providing the dinner is $\backslash (\backslash$$ $30\backslash )$ per passenger, and the fixed cost of operating the vessels $($depreciation$,$ salaries, docking fees, and other expenses$)$ is $\backslash (\backslash$$ $270,000\backslash )$ per month. The company's relevant range extends to $20,000$ monthly passengers. If Luxury Cruiseline has a target operating income of $\backslash (\backslash$$ $30,000\backslash )$ per month, how many dinner cruise tickets must the company sell? First, identify the formula, then compute the target sales in units.