$3.$ A project that costs $$200$ million is expected to generate $$70$ million in year $1,$ $$80$ million in year $2,$ $$100$ million in year $3,$ and $$50$ million in year $4.$ The project$$s cost of capital $($required rate of return$)$ is $5\%.$ Find the NPV$,$ IRR, and MIRR.