You recently paid $$12,500$ for an investment that promises to pay $$675$ at the end of each of the next $6$ years, then an additional lump sum payment of $$17,500$ at the end of the $6$th year. What is the expected rate of return on this investment?

$$ a$.10\mathrm{.}52\%$

$$ b$.9\mathrm{.}57\%$

$0$ c$.13\mathrm{.}19\%$

$$ d$.11\mathrm{.}34\%$

$0$ e$.10\mathrm{.}23\%$