Hanson Ltd had a market value of $400m and had no debt. The company has decided to issue $100m worth of non-maturing debt at an interest rate of 6%. The corporate tax rate is 30%. (Write the answer in full. Don't round to millions and don't include any symbols. For example, if your answer is $50m, type 50000000) Calculate the present value of the tax shield a) Answer: $ b) Calculate the value of the firm with leverage Answer: $