Can someone please help me to see if I am performing these calculations correctly ... I feel like I have confused myself.

The screen shot of the table below showsthe prices of call and puts at different strike prices of options on Alphabet Inc. (GOOG) on 15th March, 2019. The expiration of all options are same - September 20, 2019.The market price of the GOOG stockon 15th March, 2019 is $1,185.55.

The screen shot of the word document follows the questions and my answers.

Please point out where/if I am going wrong