$1)$ Calculate the payoff and profits from the following positions for St$=$

$34,36,38,....,46($use table $3\mathrm{.}1$ as a guide$).$ Graph the profit for all values of

$30<=$S$<=50..$

a$)$ Buy $100$ shares and buy $100$ Puts with K$=40.$

b$)$ Sell $100$ shares short and sell $100$ Puts with K$=40.$

d$)$ Sell $100$ shares shortand buy $105$ Calls with K$=42.$