Mike is an independent contractor in 2019. Mike at-tends a professional trade association convention in Los Angeles. He spends three days at the meeting and two days vacationing before the meeting. Mike;s total expenses include the following:

Airfare	$450
Meals ($50 per day)	250
Hotel ($100 per day)	500
Entertainment of customers
(business is discussed)	500
Total	$1,700

a. How much can Mike deduct for business-related expenses for 2019?

b. How would your answers change if Mike spent two days at the meeting and three days vacationing?