German phrase
Bitte legen Sie ~ fest.
Meaning
Please set ___
When to use it
It asks for a final decision. It is polite and suits budgets, dates, and conditions.
Example dialogue
Bitte legen Sie das Budget fest.
Please set the budget.
In Ordnung, ich lege das Budget auf 50.000 Euro fest.
All right, I will set the budget at 50,000 euros.