The best way to make financial estimation is knowing most information about the task. Let's say you want to start a new enterprise for example.
You need a data like this:
1. Click under total (1), and type =B5*C5, then press enter.
2. Double click on the small square.
3. Click on the last cell, and type =SUM(D5:D15), then press enter. Note: Now click CTRL + B (Bold).
In conclusion, we have estimated the price of starting a new business. Estimation is about assessing how much you think it will cost to do the things. It can be price of materials and equipment or other things. Whatever it is, just replace the components in column A with those things relevant that thing.