- Function File: pmt (r, n, a, l, method)
Return the amount of periodic payment necessary to amortize a loan of amount a with interest rate r in n periods.
The optional argument l may be used to specify a terminal lump-sum payment.
The optional argument method may be used to specify whether payments are made at the end ("e", default) or at the beginning ("b") of each period.
See also: pv, nper, rate.
Package: financial