How can we calculate the value of an annuity due taking the value of an ordinary annuity, if both annuities have the same number of years, and the same value year after year?

• a)We need to divide the value of the ordinary annuity by the gross rate of return.

• b) We need to add the gross rate of return to the value of the ordinary annuity.

• c) We need to multiply the value of the ordinary annuity by the gross rate of return.