Lana and ron each opened a separate bank account with $1000. they were both offered a 4.5% interest rate for 2 years. after 2 years, lana’s account had more money than ron’s. what could explain the difference?

a. lana’s account earned simple interest; ron’s account earned compound interest.

b. lana invested funds for a longer time period.

c. lana’s account had a higher interest rate.

d. lana’s account earned compound interest; ron’s account earned simple interest.