What is the effect of adding this Purchase Order?

You have just added a Purchase Order for 50 notebooks.

What is the effect of adding this Purchase Order?
A . In stock level stays the same
Committed quantity increases by 50
B . In stock level decreases by 50
Committed quantity increases by 50
C . In stock level stays the same
Ordered quantity increases by 50
D . In stock level increases by 50
Ordered quantity stays the same

Answer: C