Write any formula you use, and explain how you arrive at the answer in your own words.

Write the name of any financial function you use, the inputs to it, and your input entries so I can understand how you got to your solution.

An investor is forming a portfolio by investing $50,000 in stock A which has a beta of 1.50, and $25,000 in stock B which has a beta of 0.90. The portfolios beta is an investment weighted average of the individual stock betas. The expected return on the market is 6 percent and Treasury bonds have a yield of 4 percent (risk-free rate). What is the portfolios beta, and its required rate of retur