An Assembly Line Has to Perform 10 Work Elements,whose Time

Multiple Choice

An assembly line has to perform 10 work elements,whose time requirements follow below.An operations analyst has found a solution using some heuristics.The solution follows below. Solution
If the cycle time of the line is 90 seconds,what is the efficiency of the assembly line?

A) less than 85%
B) greater than 85% but less than 90%
C) greater than 90% but less than 95%
D) greater than 95%