please show work for parts a and b. thank you!

You have $75,000 to invest you choose to put $125,000 into the market by borrowing $50,000. a. If the risk-free Interest rate is 6% and the market expected return is 10% what is the expected return of your investment? b. If the market volatility is 20%, what is the volatility of your investment? a. If the risk-free Interest rate is 6% and the market expected return is 10% what is the expected return of your investment? The expected return of your investment is %. (Round to one decimal place.)