Evaluation Criteria: Your responses will be graded based on both mathematical correctness and the clarity of your explanation. Use full sentences, write clearly, and make your solution understandable to even someone that is not taking this course. Make sure that your responses are legible. If there is a coding component of any problem please submit the code (excel file or python script) in addition to your written or typed responses. Please submit each of your the Excel solver implementation as separate sheets in a single workbook. Please use this naming convention: name the book YourSurname_HW2_solver and name each sheet HW2. ProblemNumber. My sheet for number 3 would be called HW2.3 in the workbook Fravel_HW2_solver. Problem 3 Lawyer Assignment/Bipartite Matching. A law firm has accepted three new cases to be distributed between its three newest lawyers. Below is a table indicating how many hours it is estimated to take each lawyer to tackle each case: The firm would like to assign each lawyer to a distinct case in the way which minimizes total expected hours worked. Draw a graph to represent this situation. Formulate and implement this problem as a binary integer program