Christopher has a credit card with an apr of 13.13%. the card uses the adjusted balance method to calculate finance charges. the following table details christopher’s transactions with his credit card in the month of december. date amount ($) transaction 12/1 424.86 beginning balance 12/3 55.25 payment 12/5 78.10 purchase 12/14 20.00 payment 12/16 27.97 purchase 12/22 8.16 purchase 12/29 46.07 purchase if christopher is on a 30-day billing cycle, what will his new beginning balance be after december? a. $509.91 b. $349.61 c. $353.44 d. $513.74