Refer totable below, which lists the prices of various XXX Corp. options. Use the data in the figure to calculate the payoff and the profit/loss for investments in each of the following May 2021 (one year to maturity) expiration options on a single share, assuming that today share price is $20 and on the expiration date it will be $21.

		Cost	TimeValue	Payoff Profit/Loss
a.	Call option, X = 18	2.80
b.	Put option, X = 18	0.65
c.	Call option, X = 20	0.95
d.	Put option, X = 20	0.85
e.	Call option, X = 22	0.55
f.	Put option, X = 22	2.75

-What must be risk free interest rate to justify call-put parity for options with strike price X=20