Use the formula of the present value of annuity ordinary which is Pv=pmt [(1-(1+r)^(-n))÷r] Pv present value 50760 PMT annual Social Secrity benefit ? R average annual salary0.42 N time 35 years We need to solve for pmt PMT=Pv÷[(1-(1+r)^(-n))÷r] PMT=50,760÷((1−(1+0.42)^(−35))÷(0.42))
=21,319.20
