AAA Inc's stock has a $30\%$ chance of producing a $26\%$ return, a $20\%$ chance of producing a $15\%$ return, and a $50\%$ chance of producing a $-3\%$ return. What is the firm's expected rate of return?

Select one:

a$.8\mathrm{.}80\%$

b$.10\mathrm{.}13\%$

c$.9\mathrm{.}89\%$

d$.9\mathrm{.}30\%$