What is the Theoretical Flow Time? $($The minimum time required to produce a garage door from start to finish.$)$ The potential answers are:

A: $56$ minutes.

B: $37$ minutes.

C: $26$ minutes.

D: $43$ minutes.

E: $35$ minutes.

What is the capacity of the factory, in terms of garage doors per hour? The potential answers are:

A: $6\mathrm{.}67$ units.

B: $3\mathrm{.}53$ units.

C: $4\mathrm{.}62$ units.

D: $3\mathrm{.}33$ units.

E: $3\mathrm{.}16$ units.