22. In the current year, Emlyn, a self-employed taxpayer, flies from Miami to Hong Kong primarily for business purposes. Emlyn spends three days vacationing and seven days (including two travel days) conducting business. The airfare is $3,000, meals amount to $150 per day, and lodging and incidental expenses are $200 per day. The deductible expenses total:

a.$4,550.

b.$1,925.

c.$0.

d.$4,025.

e.$3,000.