Should I take this promotion at my job?

Alright so I'm 25 and thats a very important age in my life. I'm currently a sales representative at Sprint and I made 62,000 in 2017. I make sure 16.75 an hour including commission. My manager offered me a supervisor position for $19.00 bucks an hour but then my commission is based on the performance of... show more Alright so I'm 25 and thats a very important age in my life. I'm currently a sales representative at Sprint and I made 62,000 in 2017. I make sure 16.75 an hour including commission. My manager offered me a supervisor position for $19.00 bucks an hour but then my commission is based on the performance of the entire store and just not my performance. So I basically have to support my team and help make sales. I could possibly make more money but then again I could make less money in commission. At this point in my life should I make the jump to management? Currently in school for my math degree. This is just a job until I graduate in 3 years. Any advice helps
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