Mastery - was the beginning stage in expanding the business.
How could the business produce the profit productively was based on information that was enough for decision making.
Any that must in-mastery (was controlled)?
1.
Money, or cashflow.
That is how we controlled the historic financial data and how with the data we could do something in the future.
Cashflow Is the King.
With cashflow that we wanted what for?
Don't be motionless in pursued the profit in paper, but his money not was on the hands.
You must control this.
This was the foundation of your business.
With cashflow that was strong, anything could be done by you.
2.
The target break even or the break-even point.
How many the product that must be sold, or how many the customer, or how many rupiah the sale per the day that was needed to reach the break-even point target.