Joel Bastos recently received his monthly MasterCard bill for the period June 1–30, 2015, and wants to verify the monthly finance charge calculation, which is assessed at a rate of 15 percent per year and based on ADBs, including new purchases. His outstanding balance, purchases, and payments are as follows:

Previous Balance: ...... $386

Purchases:

June 4 ..........                $137

June 12 ..........                 78

June 20 ..........                 98

June 26 ..........                 75

Payments:

June 21 ...........              $35

What is his ADB and the finance charge for the period?