write a 650 word discussion post "The Black-Scholes model uses a number of assumptions to derive a mathematical solution to the pricing of call and put options. Pick one of these assumptions. Discuss in detail how valid this assumption is, where it is violated in financial markets and to what degree. Then explain if the Black-Scholes model is salvageable and outline how. (Hint: There are many extensions to the Black-Scholes model to address its shortcomings.)