Raymond has been approached by his two friends who are salesman from two banks, Bank A and Bank B. Raymond has been asked to make some investment in his friend's bank. Raymond plan to invest 3500 USD. Bank A will give an annual return of 7.1% with a yearly fee of 98 USD for its services. Bank B will give an annual return of 5.2% with a yearly fee of 55 USD for its services. A) By letting y to represent the return value of investment made by Raymond at time x, create a first order differential equation to represent the change in Raymond money over time for both Bank A and Bank B respectively. The solve the equation by using integrating factor B) Explain whether the two banks are offering a good investment for Raymond. Justify your answer by using equations, tables, graphs, etc [please show step by step and explanation as I'm trying to learn]