Determine the net present value $($NPV$)$ of an investment decision to purchase a property for $$90,000$ that will generate annual cash flows of $$10,000$ per year for eight years and sell for $$80,000$ at the end of the eight year holding period, if the appropriate discount rate is $10\%?($Note: Assume payments are made at end of year.$)$

A$.+$$$670$

B$.-$$$2,475$

C$.-$$$609$

D$.+$$$2,475$