Tshwane Development Finance Institute has a portfolio of two loans with a total value of

R$15000000.$ One loan, with a weight of $0\mathrm{.}60,$ has an expected return of $17\%$ and a standard

deviation of $23\%.$ The other loan, with a weight of $0\mathrm{.}40,$ has an expected return of $8\%$ and a

standard deviation of $11\%.$ It is determined that the covariance between the two loans is $3\%.$

$4\mathrm{.}1$ Determine the expected return. $(3)$

$4\mathrm{.}2$ What is the standard deviation of the portfolio. $(7)$