contestada

Read the short paragraph below:
1"I sat in my favorite chair and thought carefully about the question at hand. 2 needed to resolve this question soon by reaching a decision and
acting on it. 3should I continue to live at home or should I live on my own?! 4“All I could see clearly was that each of the two options had many
pros and cons. 5Finally, I decided that I would leave the answer up to fate. 6ı tossed a coin!
Which sentence has the wrong end punctuation mark?