KungFuPanda

here is everything you need to know about Band of investment method and the SFF, please excuse the formatting (copied from word)

Band of Investment
- Basically just WACC with no taxes, and possibly need to calculate SFF

Mortgage constant = rD = SFF + INT

To solve for SFF:
? N = number of mortgage compounding periods
? i = periodic interest rate (int/m)
? PV = 0
? FV = -1
? Solve for PMT, PMT