Build s spreadethece moded to evoluste this affer The Exad turnetion

$-$PMT$($rete$,$ nper, pv$,$ fr$,$ type$)$

Glaistes the poymert for s ban bosed on constant poyyments and o onstant interest rate. The argumente of thit fundion are as follows.

ate $-$ the intered rate for the laan

th $-$ tuture volue $($the deared asen bolance stter the last poyment $($uwasly o$))$

$\frac{}{(1+r{)}^{2-1}}$

$3$