The expected average rate of return for a proposed investment of $$501,200$ in a fixed asset with a useful life of $4$ years, straight$-$line depreciation, no residual value, and an expected total income of $$279,360$ for the $4$ years is $($round to two decimal places$)$

a$.0\mathrm{.}56\%$

b$.1\mathrm{.}11\%$

c$.27\mathrm{.}87\%$

d$.13\mathrm{.}93\%$