Q$1.$ Compute the return covariance and the correlation for the following example:

Three scenarios $(1,2,3)$ with respective probabilities $,$ and $50\%.$

Two stocks: Apple and GM$.$

Apple's and GM$\text{'}$s returns for the three scenarios are $(5\%,-5\%,0\%)$ and $(3\%,-4\%,2\%),$

respectively.