Carlos drives to Oregon to consult with a client. He works for 1 day and spends 3 days enjoying Oregon since the consultation was right before a 3-day weekend. His expenses were $175 to drive to Oregon and back, $600 for lodging, $50 for food on the day that he worked, and $125 for food on the other 3 days. How much of his travel expenses are deductible? a. $350 b. $175 c. $200 d. $0 e. $800.