5600*[{1-1/(1+.095/12)^60}/0.095/12]-2800*[{1-1/(1+.095/12)^36}/0.095/12=
5600*[{1-1/(1+.095/12)^60} / (0.095/12)] - 2800*{1-1/(1+.095/12)^36} / (0.095/12)=
Adjusted your brackets: This is the difference between 2 loans or 2 annuities.
$266,643.03 - $87,410 =$179,233.03
