jonah checks his Bank of american credit card stameny for the month of december. On the 12/4, with the credit card, he made a purchase of $54.28. On 12/7, he made anothwr purchasr using the same card in the amount if $106.38. On 12/20, he submitted a payment of $400 towards the balance on the card. the balance on his cedrit card was $373.16 at the end of the month. what was his credit card balance at the start of decmeber