Every business should have a data, a data that shows the daily sales, daily profit returns,total expenditures, cost of products/items etc. If I omit any other business data analysis, you can help to specify it on the comment box.
As a business owner, do you think its necessary to have business database that covers everything in our business??
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No matter the kind of business that you are trying to do it's very important that you have business data that helps you to know exactly the direction that your business is going otherwise you will not know your left from your right.