Answers a-c all parts questions thanks!!!!

Suppose the DJIA stands at 12,500. You want to set up a long stranddle by purchasing 100 calls and an equal number of puts on the index, both of which expire in three months and have a strike of 125. The put price is listed at 1.50 dollars and the call sells for 2.50 dollars. Whats will it cost you to set up the straddle, and how much profit do you stand to make if the market falls by 800 points by the expiration dates on the options? What if it goes up ny 800 points by expiration? What if it stays at 12,500? Repeat part a, but this time assume that you set up a short straddle by selling writing 100 july 125 puts and calls. What do you think of the use of option straddle as an investment strategy? What are risks, and what are the rewards? To set up the long straddle, it will cost