The cycle time $($CT$)$ necessary in a product layout is determined by:

Select one:

a$.$ number of workstations multiplied by the sum of task times.

b$.$ number of workstations$/$sum of task times.

c$.$ sum of task times$/$number of workstations.

d$.$ operating time per day multiplied by desired output per day.

e$.$ operating time per day$/$desired output per day.