1F
（期末）增长型年金现值的计算公式为：PV=C*{1-[(1+g）/（1+r)]^T}/(r-g) 这里：C=3 g=3%=0.03r=8%=0.08T=30代入公式：PV=C*{1-[(1+g）/（1+r)]^T}/(r-g) =3*{1-[(1+0.03）/（1+0.08)]^30}/(0.08-0.03) =3*{1-{[1.03/1.08]^30}/0.05 =3*{1-0.9537^30}/0.05 =3*{1-0.2412}/0.05 =3*0.7588/0.05 =45.5271
