New balance= previous balance + interest of previous balance-payment +new transaction where previous balance = 3264.75 interest of previous balance = 3264.75x(APR/12)=35.91225 APR=13.2%/12, 1.1% payment= 180 new transaction= 134 new balance = 3254.66225 Derricks new balance in his account is 3254.66225.