3. (6 pts) A company is considering a project with the following cash flows. The external interest rate is 5%. Is this a good investment based on rate of return analysis and a MARR of 8%? Give the exact ROR, interpolate if necessary. Year Cash Flow 0 -$50,000 -$30,000 $30,000 $10,000 $80,000 1 2 3 4