Activity for Keragan

Okay, so I talked to my cake baker and she said about $525 for a cake to serve about 120 people, is that a good price or about an average price for a cake of that size? It just seemed like a lot to me, it's just a basic cake with white icing...

We are getting married 10/22/2020, no idea what to set for a budget but I am doing it all myself, down to making all the decorations and setting it all up myself, we are getting married and having the reception on family property, friends/family...