8. (2x4-8 pts) Choose one of the following commonly used combos (strategies) on the s&P 500 index for each of the following questions and specify whether you need to be long or short in the contract i) straddle, (ii) strangle, (ii) bull spread. (iv) risk reversal, (v) butterfly (a) You think the stock market will either go up a lot or crash, more than any other people think possible. (b) You think the stock market volatility will be higher than what most people expect._ (e) You think the stock market has a high chance of a crash, but little chance of going up a lot. (d) You think the stock market will go up, but not sure whether some crazy things can happen to make your forecast very wrong. ( nt mober is auoting a one-year