Due to a sudden increase in demand $($new demand rate is $20$ units per hour$),$ the manager notices problems and aims to solve the problem by increasing the process capacity. So$,$ he decides to hire a new employee, Leonard. $($Leonard will tailor his work pace to align with the colleague he's working alongside for any given task.$)$d$.$ Where should Leonard be assigned? Leonard should be assigned to Task $4$ with Finn.$\_$ Leonard should be assigned to Task $3$ with Elsa Leonard should be assigned to Task $6$ with Helena.$)$ Leonard should be assigned to Task $1$ with Adam.