I chose the first option, age 35, and said I am not married.

I can't choose someone too young and pretty, after all, we eat and live together. My wife would definitely get angry. Also, if she's too beautiful, it might be distracting and affect my trading.
How much do you think I should pay her per month? I cover food and accommodation here. She can help me monitor market fluctuations during my rest time and call me.
Since she wants to do trading, I can teach her. I told her to come over tomorrow for orientation. As for the salary, I told her it will definitely be higher than what we pay locally!