Porsha calculates the amount of money she will have at the end of 6 years on a $5,000 investment earning 3.75% interest compounded quarterly. she writes the following expression: which of the following statements about porsha's expression is true? a. porsha's expression is correct. b. porsha's expression should have 1 + 0.009375 in the parentheses. c. porsha's expression should have an exponent of 6, not 24. d. porsha's expression should have both 1 + 0.009375 in the parentheses and an exponent of 6.