What Job Should I Take?

So this is not for an IB offer - but I am a rising junior and I have an offer between 2 part-time jobs. I currently work on-campus in a department office as the administrative assistant. I don’t do much there - maybe making spreadsheets, docs, mailing stuff. I also have time to study there as well. To be transparent, this job pays me $12 per hour. I like this job because it’s fairly easy-going. I have another offer from an office off-campus that is for a admin assistant as well expect this job will keep me busy. Same type of duties but I won’t have time to study during the time I work. This job pays $17 per hour. I’m attracted to job B because of the pay. The downside is I won’t have tome to study during the job which has helped me a lot in the job I currently have.

I thought about asking job A for a raise but tbh I’m shy. I know other departments on-campus pay minimum wage or close to it ($8). So I already feel grateful that I get paid $12. Should I ask for a raise instead? I definitely wouldn’t ask them for $17, maybe $13.

I use the money mostly as pocket money but in COVID times, my family is struggling a little so I will probably give my money if I take job B.