Tips
The less groups we have, the better we can manage.
The more detail of customer information we can collect, the better we can understand them.
Don't make use of discount rate.
Don't spend to much money on advertiments.
The less groups we have, the better we can manage.
The more detail of customer information we can collect, the better we can understand them.
Don't make use of discount rate.
Don't spend to much money on advertiments.