Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
(2900*( ((1+0.057)^(71-28)-1)/(0.057) ) )*(1-.2)
(2900*( ((1+0.057)^(71-28)-1)/(0.057) ) )*(1-.2)
Natural Language
Math Input
Extended Keyboard