Patrick swore he felt his eyes widened when he saw the lists. Merlin, that was a lot.
"Hello Headmistress," he said as he gathered the candy. When he finally got everything on the list, he added everything up. "Your total comes out to be 400 galleons. I hope you have a nice holiday."
Looking down, he noticed the twenty galleons in the tip jar. Grinning, he went to make sure that they weren't running low on anything. Merlin, that would be bad.