Dothan Inc.$\text{'}$s stock has a $25\%$ chance of producing a $19\%$ return, a $50\%$ chance of producing a $15\%$ return, and a $25\%$ chance of producing $-22\%$ return. What is the firm's expected rate of return? Do

not round your intermediate calculations.

a$.6\mathrm{.}75\%$

b$.5\mathrm{.}92\%$

c$.12\mathrm{.}25\%$

d$.2\mathrm{.}75\%$

e$.12\mathrm{.}00\%$