First we can calculate the monthly interest so:
[tex]\frac{3.29}{12}=0.27[/tex]So we can calculate the total amount he will pay so:
[tex]\begin{gathered} T=15320(1+3.29)^2 \\ T=15320(4.29)^2 \\ T=15320\cdot18.4 \\ T=281950.8 \\ T\approx281951 \end{gathered}[/tex]