can someone help me with 8 and 9

You own $1 mil Notional Amount of Amazon (BBB Rated) AMZN 3X 7yr. What is the dollar value of this holding? 9 If BBB credit spreads rise by 15 bps... What is the new dollar value of the $1 mil Par Amount of AMZN 3X 7yr bond? You buy a municipal bond with a tax-free YTM of 2.50%. If your effective tax rate is 35%, what is the taxable equivalent