Credit Card Payment Terms. Paul's credit card closes on the 10th of the month, and his payment is due on the 24th. If Paul purchases a stereo for $300 on June 14th, how many interest-free days will he have? When will he have to pay for the stereo in full in order to avoid finance charges? (Hint Assume that Paul pays off his credit card each month.) If Paul purchases a stereo for $300 on June 14th, the number of interest-free days he will have is(Round to the nearest whole number.) When will he have to pay for the stereo in full in order to avoid finance charges? (Select the best answebelow.) O A. Paul will have to pay for the stereo by July 24th to avoid finance charges. O B. Paul will have to pay for the stereo by July 10th to avoid finance charges. O C. Paul will have to pay for the stereo by June 24th to avoid finance charges. O D. Paul will have to pay for the stereo by July 14th to avoid finance charges