Please solve the whole question and explain the method completely Can you explain how to solve the five demands, and explain the method of calculation?

thank you

A market portfolio has yielded 14.0% on average over past years. It is expected to offer a risk premium in future years of 8%. The standard deviation of the return on the market portfolio is 10% and is not expected to change in the future. The risk free rate of return is 4%.

A.The expected return from the market portfolio is ?? % (round to nearest integer).

B. If the overall investment portfolio comprises 40% invested in the market portfolio and 60% invested in risk-free assets, the expected return for the overall portfolio (use past average returns for the market portfolio) return is ?? % (round to one decimal place).

C. The investment portfolio risk for these investments weightings is ??% (round to one decimal place).

A market portfolio has yielded 14.0% on average over past years. It is expected to offer a risk premium in future years of 8%. The standard deviation of the return on the market portfolio is 10% and is not expected to change in the future. The risk free rate of return is 4%. The expected return from the market portfolio is % (round to nearest integer). If the overall investment portfolio comprises 40% invested in the market portfolio and 60% invested in risk-free assets, the expected return for the overall portfolio (use past average returns for the market portfolio) return is (round to one decimal place). The investment portfolio risk for these investments weightings is % (round to one decimal place). 7%