A portfolio, of which $41100 is invested in , consists of three investments, investment A ,B and C, valued at $13000 12500 and 15600, repectively. the expected reutrns for investment A,B,and C are 19% 20% and 21%, respectively . Betas for INvestment A, B and C are 1.4, 1.5 and 1.6, repectively Risk free rate is 4%

A:

What is the reward to risk ratio?

B:

Provided the data in the question , assume the reward to risk ratio is instead 13%, all ekse equal. what is the risk free rate?