TeX source:

 \mathrm{NPV} = \frac{\$2000}{(1+.11)^5} +\frac{\$2000}{(1+.11)^4} + \frac{\$2000}{(1+.11)^3} + \frac{\$2000}{(1+.11)^2} + \frac{\$2000}{(1+.11)^1} = \$7,391.79