Take 1.04 raised to the power of the years you want to calculate for,
multiply by the current cost, then subtract the current cost to see what
the difference is.



Eric wrote:

I just really need to know how to calculate the future cost if something will
increase 4% yearly.

the "system" is a service we offer that eliminates "current cost"

"Bob I" wrote:


How can this system pay for itself? Does it generate income? Inflation
will tell you the future cost to replace the system.