Taggart Inc.$\text{'}$s stock has a $50\%$ chance of producing a $36\%$ return, a $30\%$ chance of producing an $11\%$ return, and a $20\%$ chance of producing a $-23\%$ return. What is the firm's expected rate of return? Do not round your intermediate calculations.

a$.16\mathrm{.}70\%$

b$.19\mathrm{.}30\%$

c$.21\mathrm{.}30\%$

d$.24\mathrm{.}00\%$

e$.23\mathrm{.}33\%$