The expected average rate of return for a proposed investment of $$787,000$ in a fixed asset, with a useful life of $4$ years, straight$-$line depreciation, no residual value, and an expected total net income of $$385,000$ for the $4$ years, is $($round to two decimal points$).$

$$ a$.48\mathrm{.}92\%$

b$.12\mathrm{.}23\%$

c$.13\mathrm{.}90\%$

d$.24\mathrm{.}46\%$