Question no : 111 MM Purchasing Source List concepts

Which of the following are possible source of supply registered in the source list master data ?

I)      Material Group.
II)     Contract.
III)    Scheduling Agreement.
IV)   Alternative Production Plant.
V)    Alternative Supply Plant.

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