Is it fair to expect one person to run the whole front at McDonald’s?

Since summer started, it's been very busy, especially since I live in a tourist town. I know we are understaffed. For hours I've been alone up front. Bagging orders for drive through, lobby, doordash, taking orders at front counter. My gm is usually there and doesn't really show any frustration with me aside from saying a certain order needs to get out because it's taking too long, but I just don't feel like i should be expected to run the front of the store all by myself. Unless i just dont have what it takes. Its mostly customers who get pissed off, but I am trying my best. I do get very overwhelmed at times and just pause for a few seconds.

Is it fair to expect one person to run the whole front at McDonald’s?
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