Question $20$

In an assembly line balancing, the minimum number of workstations was found to equal $5\mathrm{.}25.$ Which of the following statements must be correct?

Balance delay of the assembly line is $25\%$ if the shortest task time first decision rule is used.

Balance delay of the assembly line is $0\%$ if the shortest task time first decision rule is used.

Balance delay of the assembly line is $25\%$ if the longest task time first decision rule is used.

Balance delay of the assembly line is higher than $0\%$ regardless of the decision rule used.

Balance delay of the assembly line is $25\%$ regardless of the decision rule used.