$($Car Wash Supply Process$)$ CC Car Wash specializes in car cleaning services. The ser$-$ vices offered by the company, the exact service time, and the resources needed for each of them are described in the table following:

Understanding the Supply Process: Evaluating Process Capacity $53$

Service

A$.$ Wash B$.$ Wax

C$.$ Wheel cleaning D$.$ Interior cleaning

Description

Exterior car washing and drying

Exterior car waxing

Detailed cleaning of all wheels Detailed cleaning inside the car

Processing Time

$10$ min. $10$ min.

$7$ min. $20$ min.

Resource Used

$1$ automated washing machine

$1$ automated waxing machine

$1$ employee $1$ employee

The company offers the following packages to their customers:

$$ Package $1$: Includes only car wash $($service A$).$

$$ Package $2$: Includes car wash and waxing $($services A and B$).$

$$ Package $3$: Car wash, waxing, and wheel cleaning $($services A$,$ B$,$ and C$).$

$$ Package $4$: All four services $($A$,$ B$,$ C$,$ and D$).$