$9.$ Masulis Inc. is considering a project that has the following cash flow and WACC data. What is the project's discounted payback?

WACC: $10\mathrm{.}00\%$

Cash flows

Year $0-$$$950$

Year $1-$$$525$

Year $2-$$$485$

Year $3-$$$445$

Year $4-$$$405$

a$.1\mathrm{.}61$ years

b$.1\mathrm{.}79$ years

c$.1\mathrm{.}99$ years

d$.2\mathrm{.}22$ years

e$.2\mathrm{.}44$ years