Payroll Inc The Company Uses the Straight-Line Method of Depreciation

Payroll Inc.Office Services is considering the purchase of a new computer system to replace the one in operation.Data on the new computer system are as follows:
If the existing computer system is kept and used,it would require the purchase of additional hardware a year from now costing $2,000.After the use of the system for five years,the salvage value would be $300.Additional information on the existing system is as follows:
$\begin{array}{lr}\text { Cost } & \$ 12,000 \\\text { Salvage value at the end of five years } & \$ 1,000 \\\text { Useful life, in years } & \$ 4,000\end{array}$ The company uses the straight-line method of depreciation.
Required: Should the new system be purchased? Why or why not?
$\begin{array}{lr}\text { Additional years of use } & 5 \\\text { Annual operating costs } & \$ 9,000 \\\text { Remaining book value } & \$ 12,000 \\\text { Current sal vage value } & \$ 3,000 \\\text { Cost of capital } & 12 \%\end{array}$