help with both questions please.. im lost and need help!

Question 6: suppose you are the money manager of a $3.96 million investment fund. The fund consists of four stocks with the following investments and betas:

Stock	Investment		Beta
A	$ 380,000		1.50
B	400,000		(0.50	)
C	1,180,000		1.25
D	2,000,000		0.75

If the market's required rate of return is 12% and the risk-free rate is 5%, what is the fund's required rate of return? Do not round intermediate calculations. Round your answer to two decimal places.

______%

Question 10: Suppose you held a diversified portfolio consisting of a $7,500 investment in each of 20 different common stocks. The portfolio's beta is 2.25. Now suppose you decided to sell one of the stocks in your portfolio with a beta of 1.0 for $7,500 and use the proceeds to buy another stock with a beta of 1.20. What would your portfolio's new beta be? Do not round intermediate calculations. Round your answer to two decimal places.