Please show work and explain, thanks

1. (5 pts) As a junior engineer, you have developed a project that involves a small-scale revenue generating stage over the first two years and if successful, requires scale-up investment for additional revenue over years two to five. You approach your supervisor, claiming that your overall project has an IRR of 12.75%. What must the company MARR be if you are correct and the expected cash flow over the 5-year life is show your work): Year 0 1 2 3 4. 5 CF ($) -30,000 35,000 -75,000 25,000 30,000 40,000