Question no 1129 : Source determination

In SAP MM, based on the following, try to determine the source determination results ?

Vendor : T-K520A01
Material : T-M520A01 with Material Group M520-01
Purchasing Organization : 1000

Purchasing Info Record 1 :
    Vendor : T-K520A01
    Material : T-M520A01
    Pur Org : 1000
    Plant : 1000
        Price : $100 / pc

Purchasing Info Record 2 :
    Vendor : T-K520A01
    Material : T-M520A01
    Pur Og : 1000
    Without Plant
        Price : $ 80 / pc

Purchasing Info Record 3 :
    Vendor : T-K520A01
    Material Group : M520A01
    Pur Org : 1000
    Plant : 1100
       Price : $70 / pc

A Purchase Order is to be created for vendor T-K520A01, material T-M520A01 at Plant 1100
by Purchasing Organization 1000, which PIR will be determine automatically ?

A)    Purchasing Info Record 1.
B)     Purchasing Info Record 2.
C)     Purchasing Info Record 3.
D)     Manually search for the Material Group Info Record.
E)     None.
.