A process has three activities connected in series. The first activity $($A$)$ has a cycle time of $5$ minutes, the second activity $($B$)$ has a cycle time of $2$ minutes, the third activity $($C$)$ has a cycle time of $1$minutes. Each activity is currently manned by $1$ person. The process works for $8$ hours in a day and the demand is $120$ per day. Which activity is the bottleneck in the process?

$1$ point

A

B

C

None of the above