Companies A, B, C and D Are Competitors in the Same

Companies A, B, C and D are competitors in the same industry. Recently each received and produced an order for 75,000 units of an identical item. The following times were measured at each company.
$\begin{array}{llrrr}& \text { Company } & \text { Company } & \text { Company } & \text { Company } \\& \text { A } & \text { B } & \text { C } & \text { D } \\\text { Process time } & 10.0 \text { days } & 9.0 \text { days } & 8.0 \text { days } & 7.0 \text { days } \\\text { Inspection time } & 10.0 \text { days } & 10.0 \text { days } & 10.0 \text { days } & 10.0 \text { days } \\\text { Move time } & 10.0 \text { days } & 10.0 \text { days } & 4.0 \text { days } & 10.0 \text { days } \\\text { Wait time } & 10.0 \text { days } & 8.5 \text { days } & 3.0 \text { days } & 8.0 \text { days }\end{array}$
Which of the following statements is true regarding the manufacturing cycle efficiency of these companies?

A) Company A was the least efficient.
B) Company D was the most efficient.
C) Company B was the least efficient.
D) Company C was the most efficient.
E) Company A was the most efficient.