Problem Walk$-$Through

A stock's returns have the following distribution:

$\backslash$table$[[\backslash$table$[[$Demand for the$],[$Company$\text{'}$s Products$]],\backslash$table$[[$Probability of this$],[$Demand Occurring$]],\backslash$table$[[$Rate of Return if$],[$this Demand Occurs$]]],[$Weak$,0\mathrm{.}1,(28\%)$