You own 51,750 shares of ticker XLM, the shares are priced at $69. A call option on XLM with a strike price of $70 is priced at $3.50 and has a delta of .69. 1) How many call options are necessary to produce a delta neutral hedge? 2) Should calls be purchased or written? 3) Will the number of call options written for a delta neutral hedge increase or decrease when the stock price falls