Under the Perfect Tender Rule,when a Shipment of 10,000 Identical

Under the perfect tender rule,when a shipment of 10,000 identical products contains 15 nonconforming units,which ones can the buyer reject?

A) none, because there are so few nonconforming units that this is substantial performance
B) all or none of the 15 nonconforming units, but none of the conforming units
C) all, some, or none of the 15 nonconforming units, but none of the conforming units
D) all 10,000 units or none at all
E) all, none, or some of the units, in any combination of conforming and nonconforming units