Question 20 of 75. Mechello is a self-employed consultant in Springfield, MO. She traveled to San Diego in February to attend a week-long conference. After the conference ended, she stayed for two extra days to relax and do some sightseeing. She had the following expenses: $600 airfare, $1,800 hotel (9 nights), $900 In meals, and $100 in taxi charges. What is her total allowable deductible expense for the trip? $ 2,500 $2,800 $3,000 $3,400