You have been looking ESPR for some time, and you are willing to take a chance. The stock is at $$53\mathrm{.}00$ and you see that the following quotes that are of interest to you:

$\backslash$table$[[$Call $-$ Bid,Call $-$ Ask, Strike $\_,$Put $-$ Bid,Put $-$ Ask$],[$$$0\mathrm{.}55,$$$0\mathrm{.}75,60\_,$$$8\mathrm{.}10,$$$9\mathrm{.}00],[$$$1\mathrm{.}70,$$$1\mathrm{.}95,55\_,$$$4\mathrm{.}50,$$$4\mathrm{.}90],[$$$4\mathrm{.}00,$$$4\mathrm{.}30,50\_,$$$1\mathrm{.}85,$$$2\mathrm{.}15],[$$$5\mathrm{.}80,$$$6\mathrm{.}40,45\_,$$$0\mathrm{.}50,$$$0\mathrm{.}80]]$

You decide to write a $60-55-50-45$ iron condor. If the probabilities are $68\mathrm{.}62\%$ that the price of ESPR will remain within the inner bound of the spread, what is your expected percent return against risk?