4. Complete the example for calculating realized returns with cash from our meeting. Use both portfolio method and accounting method to verify that they produce the same results. Suppose you have $100,000 and ABC is trading at $20/share. One-year later, ABC pays $2 in dividends and is worth $16/share. a) Suppose you bought 5,000 shares of ABC. b) Suppose you bought 2,500 shares of ABC, and deposit rate is 5%. c) Supposey you bought 10,000 shares of ABC and borrowed at 5%. d) How would the method be affected if the borrowing rate was higher at 6%, but the deposit rate remains unchanged?