Live it Cruseline collers nighilly dinner cruises departing from several cilies on the East Coast of the United States including Charleston, Balimore, and Aloxandrla. Dinner cruise Bickets seli for s80 per passenger. Live 11 Cruiseline's variable cost of providing the dinner is $40 per passenger, and the fixed cost of operating the vessels (depreciation, saiaries, docking faes, and cother expenses) $360,000 par month. The company's rolevant range extends to 17,000 monthly passengers. If Lve it Cruiseline sells an additional 700 tickets, by what amount will its operating income increase (or operating loss decrease)