Fun time cruise line offers nightly dinner cruises departing from several cities on the East Coast on the United States, including Charleston Baltimore and Alexandria dinner cruise tickets sell for $50 per passenger fun time cruise lines, variable cost of providing a dinner is $30 per passenger and the fix cost of operating the vessels is $210,000 per month the companies relevant range extends to 20,000 monthly passengers. Its fun time cruise line has a target operating income of $30,000 per month how many dinner cruise tickets much this company sell