Consider the following two projects:

Project X

Project Y

Year $0$

$-$$$5,500$

$-$$$7,200$

Year $1$

$$2\mathrm{.}200$

$$3,600$

Year $2$

$$3,300$

$$3,600$

Year $3$

$$3,300$

$$3\mathrm{.}600$

Year $4$

$$3,100$

$$3\mathrm{.}150$

Year $5$

$$2,900$

$$3\mathrm{.}150$

What is the crossover rate Le$,$ the incremental IRR? Enter your answer as a decimal rounded to three decimal places. For example, the answer $21\mathrm{.}752\%$ would be entered as

$0$:$218$