Pete, a self-employed CPA, went to Los Angeles for 3 weeks. He spent 1 week analyzing his clients investments in the Westwood area, 1 week at a continuing education conference that relates to his CPA practice, and 1 week playing tennis. Petes round-trip airfare was $600, the hotel bill was $1,200, meals (all under $75) were $450, tuition was $500, and tennis fees were $90. Pete kept track of all expenses in a diary, but he had documentary substantiation for only the airfare and hotel bill. How much can Pete deduct?

$2,200B.$1,850C.$2,050D.$1,550