Jan can deposit $25,000 of her savings into a bank account today, which will grow to $50,000 in 10 years. Alternatively, Jan could put her money in a pension fund that pays 7% interest per year. Which investment option is better for Jan? Select one: a. Pension fund is better because it requires a smaller investment. b. Pension fund is better because it pays more interest c. Pension fund and bank account both earn 7% interest, so they are equal in value. d. Bank account is better because it earns a higher interest rate