Question no : 28 MM Purchasing Order types

Which of the following parameters are controlled directly by a Purchase Order Document type ?

I)    Valid item category.
II)   Valid account assignment and item category combination.
III)   Valid account assignment.
IV)  Valid document link between purchasing document types.
V)   Number range.

A)   I, II, IV, V
B)   II, III, IV, V
C)   I, II, III, IV, V
D)   I, II, V
E)   I, IV, V
.