$($a$)$ Trump Ltd$.$ is considering a new opportunity to invest $1,200,000$ in a

construction project in Kent. The projected net cash inflows will be as

follows over the next $6$ years:

You are required to assess the viability of this project by determining the

Internal Rate of Return for the proposed investment, given the opportunity

cost of capital is $20\%.$ Hint: $($use $15\%$ and $20\%)$