Need help with 4 and 5 please!

Use the following information for Questions 2-7 The stock of a pharmaceutical company has the following characteristics: 0 The current price to buy one share is 84. o The stock does not pay dividends. o The annual continuously compounded rate of interest is 4%. 0 European options on one share expiring in one months have the following prices: Strike Price Call option price Put option price 82 4.25 1.98 84 3.15 2.87 86 2.27 3.98 4. Sam borrows $83.72 and buys an 84-strike put. Tony shorts one share of the stock and buys an 84-strike call. Verify that Tony's portfolio and Sam's portfolio have the same payoff and profit. 5. Laura writes an 84-strike call, buys an 86-strike call, writes an 84-strke put, and buys an 82-strike put. Write the profit on Laura's portfolio, simplify it and draw its graph