CW4 Jones is proposing to the unit commander that a new part be added to each Humvee in the unit's motor pool to make the engines last longer and be more reliable. CW4 Jones cites a controlled study that found engines lasted 30% longer when this part was used. Although the new part will require a significant initial investment, CW4 Jones proposes the investment will be recouped in just three years by the time and money saved by more reliable engines that require fewer repairs. CW4 Jones' proposal to add the new part to the unit vehicles would be most severely weakened if which of the following statements were true? A. The new part increases fuel consumption. B. The timeline for recouping the initial investment is accurate. C. The controlled study mentioned was conducted on older Humvees. D. Sufficient funds exist to purchase the new parts. E. The unit's vehicle mechanics are busy. F. Skip this