If a pumping equipment costs $15,000 to install and the savings are $180 each month, what is the payback period for this investment? 4.9 years O 6.9 years O 3.9 years O 5.9 years Question 19 Assume that a three-year project with an initial outlay of $300 million and a cost of capital of 11% will return $140 million in the first year, $150 million in the second year, and $150 million in the third year. What is the MIRR for this project? O 17.7% O 23.6% O 18.4% 5 pts 21.5% Assume that a four-year project with an initial outlay of $300 million and a cost of capital of 8% will return $85 million in the first year, $80 million in the second year, $75 million in the third year, and $70 million. If the company borrow $300 million at 3% to fund the project, what is the MIRR for this project? O 6% O 4% O -4% O -6%