Multiple Choice
A staff assistant at Cornwall Corporation recently determined that the first four units completed in a new manufacturing process took 800 hours to complete, or an average of 200 hours per unit. The assistant also found that when the cumulative output produced doubles, the average labour time declines by 20%. On the basis of this information, how many total hours would Cornwall use if it produces 16 units?
A) 128.
B) 160.
C) 1,280.
D) 2,048.
E) 2,880.
Correct Answer:

Verified
Correct Answer:
Verified
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