Tangshan Mining Company is considering investing in a new mining project. The firm's cost of capital is $10$ percent and the project is expected to have an initial after$-$tax cost of $100,000$ Furthermore, the project is expected to provide after$-$tax operating cash flows of $$10,000$ in year $1,$$$60,000$ in year $2$ and $$80,000$ in year $3.$ Calculate the project's MIRR.