FunTime, Cruiseline offers nightly dinner cruises departing from soveral cities on the East Coast of the United States indiading Charleiton. Baltimore, and Alexandra. Dinner crulse tickets sei for $50 per passenger. FunTime Cruibelino's variable cost of providing the dinner is $30 per passengec, and the foced cost of operating the vessels (depreckson, salarifs, docking fees, and other expenses) is $210,000 per month. The company's televant range extends to 20,000 monthly passengers. If FunTine Cruiseline has a tasget coperating incombe of $30,000 per month, how many dinner cruise thekets must the company sein? First, identify the formulo, then compute the target snees in unis