New Bakery Restaurant

Hello! I've been baking various breads for 20 years, and for the last 2 years have been focusing on naturally leavened (sourdough) breads. I feel like I'm consistently making high quality loaves and my wife and I have decided to open up a small bakery restaurant. It has 30 seats and we will be baking bread for breakfasts as well as sandwhichs ar lunch and plan to sell loaves alongside of other baked goods and some prepared meals etc. The restaurant will be in a small town with lots of farmers etc. Its been fairly easy to estimate how many loaves we need for the restaurant on our busiest days, about 15, but it's hard to figure out how much bread we are going to be able to sell. Right now, just before I buy a few dozen expensive bannetons, I'm trying to figure it out. I'm thinking about 40 bannetons and therefore 40 loaves a day. Does anyone with any experience have some thoughts. There are no other bakers in this small town of 5000 people.