I wanted to know the answers before the questions were asked. I was informed, and was able to make sound business money decisions with my eyes wide open. Much like your business is subject to change over time, so are the financial doings of your bakery. Sales go up, sales go down. Cost of flour goes up, cost of produce is certainly seasonally adjusted.
Labor varies, too.
Some of these changes have little or no significance, and are easily brushed aside. But there are those that really do matter, and it is best to be proactive rather than reactive. Your review systems should be brief and to the point, focusing on those key areas that drive your business. By now you are probably getting the drift of this article. Don't rest on your laurels or think that because you have said something once that it is set in concrete.