You purchased 400 shares of Pentagon (PNT) stock for $91 per share. When the stock reached $150 per share, the firm had a 4-for-1 stock split. Now the PNT stock is trading for $41. You consider selling now. a. How many shares of PNT stock will you have immediately after the 4-for-1 split? b. What will be the total value of your PNT investment immediately after the split? c. If you decide to sell all your PNT shares now, what will be the holding period return on your PNT investment?