Gabrielle was spending a lot of money on outsourcing her printing jobs to a local printer. To save costs, she purchased an $$\mathrm{18},\mathrm{500}$ colour laser printer for her office. This investment saved her $$\mathrm{3250}$ every year for eight years. At the end of the eighth year, she sold the printer for $$\mathrm{2500.}$

Compute the NPV and determine if this was a sound investment decision. The cost of capital is $\mathrm{12}\%.$