What is the expected rate of return for the clinic $(E(R_{\text{c}\text{i}\text{n}\text{i}\text{c}}))?$

$\backslash$table$[[,,$Rate of Return if State Occurs,$],[$Economic State,$\backslash$table$[[$Probability$],[$of Occurrence$]],$ER$,$Clinic$],[$Very poor,$0\mathrm{.}10,-10\%,-20\%$