Planning #3 (similar to): Credit Card Pa Question Help o Credit Card Payment Terms. Paul's credit card closes on the 4th of the month, and his payment is due on the go. If Paul purchases a store for $300 on June 13, how many interest-free days wil he have? When wil he have to pay for the stereo in all in order to avoid finance charges? (Mint Assume that Paal pays off his credit card each month) Paul purchases a shoroo for $300 on June 13, the number of interest-free days he will have around to the nearest whole number)