I already submitted my primary app, but I realized that I underestimated the hours for a couple of activities that I've been involved in for a few years and have leadership positions in. I wanted to keep my hours as realistic as possible, but I don't think the hours I chose accurately reflect the effort that I put in. For one of the activities, I put 220 hours instead of 330, and for another activity, I put 470 hours instead of 550.
1) Is my underestimation of hours significant enough to affect my chances?
2) Is there a way for me to call the people at AMCAS and ask them to change m hours?
3) I feel like an idiot for not inflating my hours like other applicants supposedly do (?) Thank you!