Should Tangshan Mining company accept a new project if its maximum payback is 3.5 years and its initial after tax cost is $5,000,000 and it is expected to provide af- ter-tax operating cash inflows of $1,800,000 in year 1, $1,900,000 in year 2, $700,000 in year 3 and $1,800,000 in year 4?