4. (20 pts) Your company is significantly upgrading its production facility. You expect to use this facility for 4 years. This project has cash flows as follow (all $ in 1000): Initial investment Profits in year 1 Profits in years 2,3,4 $700 $100 increase by $75 more every year If your company's MARR is 6%, based on internal rate of return analysis, required by your company, is this investment economically acceptable? Why or why not