During the Year,Walt Travels from Seattle to Tokyo (Japan)on Business

During the year,Walt 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) :
Air fare
$3,000
Lodging
2,000
Meals and entertainment
1,000
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Presuming no reimbursement,Walt's deductible expenses are:

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