Please answer the following question based on the given information here:

Loan Application Process Flow

All arriving input loan application forms $($hereafter "forms"$)$ to a process undergo a task T$1(3$

minutes$)$ performed by Staff A$.$ The forms after the task T$1$ is separated into two parts la$,$ lb$.$

Staff B performs T$2(2$ minutes$)$ on la and Staff C performs task T$3(4$ minutes$)$ on Ib$.$ After

T$2$ and T$3,$ la and Ib are joined and goes through task T$4$ which can be performed either by

Staff D or Staff E$.$ Staff D takes $5$ minutes while Staff E takes $4$minutes to perform task T$4.$

After T$4,$ the input is again re$-$separated into la and Ib$.$ Staff F performs T$5(2$ minutes$)$ on la

and Staff G performs task T$6(5$ minutes$)$ on Ib$.$ After T$5$ and T$6,$ la and Ib are joined and the

combined form leaves the process.