How to tell customers about the price increase of fritters in breakfast shops?

The price increase notice of breakfast shop can be written as dear user. Due to the current price increase, this breakfast shop decided to adjust the price of the products sold in this breakfast shop. Please understand.

Some people think that if they are old customers, they should make appropriate profits; Some people think that the maintenance of old customers is easier than that of newly developed customers, so they are confused about the careless handling in the fare increase, but some people don't think so. In their view, the transaction of orders is a happy thing, and there is no need to struggle, hesitate and compromise at the expense of their own costs in order to retain old customers. However, some old customers are worth maintaining. Some people think that if they are old customers, they need to hand over some profits. Some people think it is easier to maintain old customers than to develop new ones, so they will accidentally raise prices and make mistakes. However, some people don't think so. In their eyes, it is a happy thing to reach a deal, and there is no need to hesitate or even sacrifice their own profits in order to protect old customers.