Paul is employed as an auditor by a CPA firm. On most days, he commutes by auto from his home to the office. During one month, however, he has an extensive audit assignment closer to home. For this engagement, Paul drives directly from home to the clients premises and back. Mileage information follows:

Home to office	12 miles
Office to audit client	15 miles
Audit client to home	10 miles

If Paul spends 20 days on the audit and provides an adequate accounting to his employer, what is his reimburseable mileage?