Taggart Inc.$\text{'}$s stock has a $50\%$ chance of producing a $40\%$ return, a $30\%$ chance of producing a $12\%$ return, and a $20\%$ chance of producing a $-20\%$ return. What is the firm's expected rate of refurn? Do not round your intermediate calculations.

a$.19\mathrm{.}60\%$

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

c$.20\mathrm{.}40\%,$

d$.32\mathrm{.}00\%$

e$.23\mathrm{.}60\%$