They cut my hours

So my paycheck will be less than 75 hours this week and although I am the only one in the building who hasn't reached over time by alot I was forced to leave work a half hour early today. I came home crying because I know I will barely be able to make rent because of it. if they try to send me home early tomorrow or even the rest of the week my boss and I will be having words. So I will definitely be crying at work tomorrow. Not looking forward to that.