During the Year, Walt (Self-Employed) Travels from Seattle to Tokyo

Multiple Choice

During the year, Walt (self-employed) travels from Seattle to Tokyo (Japan) on business. His time was spent as follows: 2 days travel (one day each way) , 2 days business, and 2 days personal. His expenses for the trip were as follows (meals and lodging reflect only the business portion) :
Presuming no reimbursement, Walt's deductible expenses are:

A) $3,500.
B) $4,500.
C) $5,500.
D) $6,000.
E) None of these.