please help me with the following problem

_J L 8- (3 marks)- Investor A is not taxable. Investor B is taxable at 15% on Bond L and 40% on bond H. Bond L yields 8% and H yields 10%. Explain how this creates an opportunity for broker dealers to use long-short strategies to create higher returns? What is the net income spread to each investor (for $100 transactions) by investing in one security buried by shorting the other in the most advantageous way? Use the box below for the calculation