Michael is the city sales manager for Chick-Stick, a national fast food franchise. Every working day, Michael drives his car as follows:

	Miles
Hometo office	30
Office to Click-Stick No. 1	25
Chick-Stick No. 1 to No. 2	28
Chick-Stick No.2 to No. 3	18
Chick-Stick No. 3 to home	30

Michael's deductible mileage is:

		0 miles.
		30 miles.
		71 miles.
		101 miles.