A trader uses delta hedging strategy to hedge a portfolio of short positions in call option on Apple Computer stocks. The trader sells 50 call option contracts (1 contract controls 100 shares) on Apple stock. The option price is $5, the stock price is $230, and the option's delta is 0.8. a. Does the trade short or long the stock to create a delta-neutral position? (Sample answer: long; or short) (Sample answer: 3000 shares) b. How many shares does the trader need to create a delta-neutral position? Suppose the next day, the stock price decreases to $220 and the call option delta changes to 0.72. please answer questios c and d c. Does the trader long additional shares or short additional shares to hold the delta neutral position? or short) d. How many additional shares does the trader need to create a delta-neutral position? (Sample answer: long: (Sample answer: 20 shares)