The Processor Defaced an AP Foot Projection Obtained at 50

Multiple Choice

The processor defaced an AP foot projection obtained at 50 kVp at 30 mAs. Before repeating the projection, the technologist noticed that the image was slightly overexposed at the area of interest. It was not dark enough to cause it to need repeating. What new technique should the technologist use when she repeats the projection?

A) 48 kVp at 30 mAs
B) 50 kVp at 15 mAs
C) 50 kVp at 21 mAs
D) 42 kVp at 30 mAs