pls give answer on each questions

1. A.) Jane would be equally happy with a riskless asset that paid 5% per and a asset with a yearly expected return of 16% and a return standard deviation of 17%. What is Jane's coefficient of iisk aversion? B.) Would Jane prefer an investment with an expected return of 10% and a standard deviation of 9% or an investment with an expected return of 8% and a standard deviation of 7% C.Pat's certainty equivalent for an asset with an expected return of 8% and a standard deviation of 7% is 5.8%. Is he more or less risk averse than Jane?