Use the formula of the future value of annuity due because the amount of 1800 is deposited at the (beginning) of each quarter The formula is Fv=pmt [((1+r/k)^(kn)-1)÷(r/k)]×(1+r/k) Fv future value? PMT amount deposited 1800 R interest rate 0.06 K compounded quarterly 4 N time 6years Fv=1,800×((((1+0.06÷4)^(4×6) −1)÷(0.06÷4))×(1+0.06÷4)) =52,313.44....answer