Solve the problem. At the end of every 3 months, Teresa deposits $100 into an account that pays 6% compounded quarterly. After 4 years, she puts the accumulated amount into a certificate of deposit paying 7.5% compounded semiannually for 1 year. When this certificate matures, how much will Teresa have accumulated? A) $1920.96 B) $1930.25 C) $2072.31 D) $1823.20