You own $5,800 shares of Beta Company common stock that is currently selling for $56. A call option on Beta with a strike price of $56 is selling at $4.93 and has a delta of 0.58 . a. Determine the number of call contracts necessary to create a delta-neutral hedge (with sign!). contracts. Round your answer to doses inteper. b. Calculate the total change in portfolio value of a $1.07 increase in the price of Beta stock, keeping in mind that you can only trade option contracts, not the individual options. $ Round your answer to the dolar