$($IRR of uneven cash$-$flow stream$)$ Microwave Oven Programming, Inc, is considering the construction of a new plant. The plant will have an initial cash outlay of $$15$ million, and will produce cash flows of $$5$ million at the end of year $1,$$$6$ million at the end of year $2,$ and $$4$ million at the end of years $3$ through $5.$ What is the internal rate of return on this new plant?

The internal rate of return on this new plant is $17\mathrm{.}35\%.($Round to two decimal places.$)$