You are considering investing in $2$ assets. A asset has an expected return of $15\%$ and

standard deviation of $32\%.$ B asset has an expected return of $9\%$ and standard deviation of $23\%.$ The correlation between A and B is $0\mathrm{.}15.$

a$.$ What is the covariance between A and B$?$

b$.$ What is the weight of A and B in the minimum variance portfolio?

c$.$ What is the expected return and variance of the minimum variance portfolio?