You have $ $185$ comma $000$$$185,000$ to invest. You choose to put $ $235$ comma $000$$$235,000$ into the market by borrowing $ $50$ comma $000$$$50,000.$ a$.$ If the$$ risk$-$free interest rate is $3\%3\%$ and the market expected return is $10\%10\%,$ what is the expected return of your$$ investment? b$.$ If the market volatility is $16\%16\%,$ what is the volatility of your$$ investment?