Kellog's is thinking about introducing a new cereal brand. Marketing and development of the brand will cost $15\mathrm{.}5$ million dollars today. In year $1$ & $2,$ the new cereal will generate $5$ million dollars in cash. In years $3$ & $4,$ the new cereal will generate $6$ million dollars in cash. Kellog's reinvestment rate is $8\%.$ What is the MIRR of this project?