Leukoreduced Packed RBCs Must Have an Absolute White Blood Cell $\times$

Multiple Choice

Leukoreduced packed RBCs must have an absolute white blood cell count of less than and contain at least what percent of original RBC mass?

A) 5 $\times$ 10⁸/85
B) 5 $\times$ 10⁶/85
C) 5 $\times$ 10⁸/80
D) 5 $\times$ 10⁶/80