Fixed assets should be depreciated monthly, and restaurants usually depreciate the amount of all fixed assets in a year.
The working capital includes the purchase of raw materials, staff wages and equipment maintenance and other daily expenses.
Finally, we need to calculate the customer traffic, according to the daily traffic of the income earned minus the daily expenses (including raw material purchases, staff wages, daily expenses such as utilities and so on) and finally minus the equipment maintenance costs, is the profit. But one thing, remember to pay yourself a salary. Hope to adopt ~!