There is $9$ percent probability of recession, $24$ percent probability of a poor economy, $44$ percent probability of a normal economy, and $23$ percent probability of a boom. A stock has returns of $21\mathrm{.}1$ percent, $4\mathrm{.}7$ percent, $12\mathrm{.}5$ percent, and $28\mathrm{.}2$ percent in these states of the economy, respectively. What is the stock's expected return?