Please help ASAP!

(MIRR ) Dunder Mifflin Paper Company is considering purchasing a new stamping machine that costs $550,000. This new machine will produce cash inflows of $200,000 each year at the end of years 1 through 5, then at the end of year 7 there will be a cash outflow of $150,000. The company has a weighted average cost of capital of 12 percent (use this as the reinvestment rate). What is the MIRR of the investment?

a) The MIRR of the investment is _____%. (Round to two decimal places.)