Expiration	Strike	Last	Volume	Open Interest	Last	Volume	Open Interest
Jan	190	4.40	815	5697	1.75	507	2496
Feb	190	6.75	402	2808	3.00	3553	10377
Apr	190	8.85	107	1866	5.20	527	2177
Jul	190	10.95	15	645	8.54	6	1142
Jan	195	0.01	2451	11718	0.70	4090	8862
Feb	195	3.65	1337	11902	5.00	860	3156
Apr	195	5.90	1785	2928	7.30	934	1141
Jul	195	8.45	13	5773	10.85	22	3419

a. Calculate the payoff and profit at expiration for the February 190 calls, if you purchase the option at the stated price and at expiration the stock price is $195.

b. Calculate the payoff and profit at expiration for the February 195 puts, if you purchase the option at the stated price and at expiration the stock price is $195.