Melissa recently pald $800 for round-trip alifare to San Francisco to attend a business conference for three days. Melissa also paid the following expenses: $510 fee to register for the conference, $400 per night for three nights' lodging. $220 for meals in restaurants, and $445 for cab fare. (Do not round intermediate calculations. Round your final answers to the nearest whole dollar amount. Leave no answers blank. Enter zero if applicable.) Problem 9-49 Part-a (Algo) a. What amount of these costs can Melissa deduct as business expenses