Proses pengerjaan | Misalkan tingkat suku bunga yang digunakan adalah i, maka:
Prepetuitas Doni:
\(3250 = 130{a_{\left. {\overline {\, \infty \,}}\! \right| }} = 130\left( {1 + {a_{\left. {\overline {\, \infty \,}}\! \right| }}} \right) = 130\left( {1 + \frac{1}{i}} \right)\)
\(i = 0,0417\)
Prepetuitas Dina:
\(3250 = P{{\ddot a}_{\left. {\overline {\, {20} \,}}\! \right| }} + 15\left( {\frac{{{a_{\left. {\overline {\, {19} \,}}\! \right| }} – 19{v^{19}}}}{i}} \right)\)
\({{\ddot a}_{\left. {\overline {\, {20} \,}}\! \right| }} = \frac{{1 – {v^{20}}}}{d} = \frac{{1 – {{(1,0417)}^{ – 20}}}}{{\frac{{0,0417}}{{1,0417}}}} = 13,9462984\)
\({{\ddot a}_{\left. {\overline {\, {19} \,}}\! \right| }} = \frac{{1 – {v^{19}}}}{d} = \frac{{1 – {{(1,0417)}^{ – 19}}}}{{\frac{{0,0417}}{{1,0417}}}} = 13,486159\)
\(3250 = P\left( {13,9462984} \right) + 15\left( {\frac{{\left( {13,486159} \right) – 19{{\left( {1,0417} \right)}^{ – 19}}}}{{0,0417}}} \right)\)
\(3250 = P\left( {13,9462984} \right) + 1706,299\)
\(P = 110,6889\) |