$1-$ Suppose the risk$-$free rate is $4\mathrm{.}50\%.$ Compute the weights of the Optimal Risky Portfolio.

$2-$Compute the weights of each asset in the complete portfolio that has an expected return of $5\mathrm{.}00\%?$

What is the Sharpe ratio of this portfolio?

$($Use excel spreadshet$)$