Use the average daily balance method to compute the finance charge in the credit card account for the previous month starting balance and transaction account for the month of June are given to the right assuming annual interest rates $18\%$ months June $30$ days previous month balance $420$ June $14$ made payment of $148$ June $16$ charge $$20$ to gasoline June $19$ charge $149$ for skis June $28$ main payment of $140$