pushing

I've been working in toys since September. This last Sunday about an hour into my shift my Team lead called me back to look at the line and told me he was concerned about my progress. At this point I had finished 1 cart and 1 heaping basket of small bits and bobs re-shop, 1 full heaping 3 tier...

Checked the new schedule today, which I put in open availability for, hoping I'd get 40 hours like I did last year at this time, and I check and I have 24 hours. How do I go about complaining about this? Judging by the times, they probably will have me pushing z-racks in the morning and think...