Use the following assembly line process for the following two $(2)$ questions.

Production Units per Month

Workstation $1$

Workstation $2$

orkstation $3$

$\frac{6000}{m}o$

$7000/$mo

$5000/$mo

Referring to the assembly line shown above $($the item must go through these $3$ workstations

to be completed$),$ what is the output of this system?

$5,000$ units per month.

$6,000$ units per month.

$7,000$ units per month.

$15,000$ units per month

$18,000$ units per month.