The development cost of the target application is estimated at = $705588

The lifetime of the application is FOUR years. Lifetime = 4 years

The operation cost for each year is = $87055

The benefit derived from the execution of the target application for each year during its lifetime = $870558

The return rate of the other investments will be = 8%

calculate if the new application pays for itself? and when will it pay for itself?

PLEASE SHOW YOUR WORK, Thanks for your help.