Answer: $8,382
Step-by-step explanation:
First find the present value of the cash benefits which are the cost savings and the salvage value:
= (Cost savings * Present value interest factor of annuity, 5 years, 10%) + Salvage value / ( 1 + rate) ^ no of periods
= (16,000 * 3.7908) + 6,000 / ( 1 + 10%)⁵
= $64,378
Net Present value = Present value of benefits - Cost of investment
= 64,378 - 56,000
= $8,378
= $8,382 from options. Difference due to rounding errors.