4. Walt is self-employed. He travels from NYC to Japan on business. His time was spent as follows: 2 days travel (one day each way), 6 days business, and 2 days personal-sightseeing. His expenses were: Air fare $4,000 Lodging $300/Day (not relevant on travel days) Meals $200/Day Walt's deductible expenses are: $3,500. $4,500 $5,600. $6,400. None of the above. b) e)