Mary starts the month with a balance on her credit card of $1,200. On the 12th of the month, she buys $400 worth of clothes with her credit card. On the 16th of the month, she makes a payment on her credit card of $500. Mary's interest rate is 1 percent per month. If Mary's bank calculates the finance charge on her credit card using the average daily balance, including new purchases. 

What would Mary's finance charges be for the month? (Round your final answer to 2 decimal places. Omit the "$" sign in your answer.)