When the project charter was being prepared, the costs of the project could only be estimated to a rough order of magnitude; however, late in planning, as more details became available, it was possible to make a definitive estimate, which could be narrowed to a ______________ percent range.
A. -5 to +10
B. -10 to +25
C. -1 to +5
D. There is no defined range.
Answer: A