$1)$ After the end of four years, the firm expects to sell the store for RM$1,000,000$ as salvage value. The firm requires a $20$ per cent rate of return on this project. Assume a tax rate of $30\%$ charged on earnings generated by the project. Determine the Net Present Value $($NPV$)$ for this project and proposed your recommendation to management regarding on this proposed project.

$2)$ Calculate the Net Present Value $($NPV$)$ for this project and proposed your recommendation to management regarding on this Mekar Mega development project.

explain and calculate precisely.