you invest 50,000 in a complete portfolio. the complete portfolio is composed of a risky asset with an expected return of 22% and a standard deviation of 42% and a treasury bill with a rate of 4%. the slope of the capital allocation line formed with the risky asset and the risk-free asset is approximately

A)0.4286

B) 0.3625

C) 0.5005

D) 0.6280