The Contrast Indicator, or Density Difference, Value from Sensitometric Testing $\pm$

Multiple Choice

The contrast indicator, or density difference, value from sensitometric testing of mammographic film processors must not vary by more than ____ from the initial control value.

A) $\pm$ 0.01%
B) $\pm$ 0.03%
C) $\pm$ 0.05%
D) $\pm$ 0.15%