the answer is not 1900 or 1800 please give another answer

Requlred Information [The following information applies to the questions displayed below] Melissa recently paid $400 for round-trip airfare to San Francisco to attend a business conference for three days. Melissa also paid the following expenses: $250 fee to register for the conference. $300 per night for three nights' lodiging. $200 for meals and $150 for cab fare. Note: Do not round intermedlete colculations. Round your flnal answers to the nearest whole doller amount. Leave no answers blank. Enter zero if applicoble. b. Suppose that while Melissa was on the coast, she also spent two days sightseeing the national parks in the area. To do the sightseeing, she paid $1,000 for transportation, $800 for jodging, and $450 for meals during this part of her trip, which she considers personal in nature. What amount of these costs can Mellssa deduct as business expense