A $12,000 deposit is made into an account with an APR of 3.5% that compounds continuously. What is the balance in the account after 1 year, 5 years, and 20 years, respectively?
a. $12,427.44, $14,294.95, $24,165.03
b. $12,434.29, $14,333.44, $24,333.09
c. $12,456.42, $14,395.25, $24,559.32
d. $12,485.12, $14,465.67, $24,812.46