CUSTOMER RENTALS In the Table RENTALS, Rtn Provides the Rental Number (The

question 55

Multiple Choice

CUSTOMER
$$\begin{array} { | l | l | l | l | } \hline \text { Cname } & \text { Age } & \text { Resid\_City } & \text { BirthPlace } \\\hline \text { BLACK } & 40 & \text { ERIE } & \text { TAMPA } \\\hline \text { GREEN } & 25 & \text { CARY } & \text { ERIE } \\\hline \text { JONES } & 30 & \text { HEMET } & \text { TAMPA } \\\hline \text { MARTIN } & 35 & \text { HEMET } & \text { TAMPA } \\\hline \text { SIMON } & 22 & \text { ERIE } & \text { ERIE } \\\hline \text { VERNON } & 60 & \text { CARY } & \text { CARY } \\\hline\end{array}$$
RENTALS
$\begin{array}{|l|l|l|l|l|l|}\hline \text { Cname } & \text { Make } & \text { Date\_Out } & \text { Pickup } & \text { Return } & \text { Rtn } \\\hline \text { BLACK } & \text { FORD } & 10-\text { Oct-1994 } & \text { CARY } & \text { CARY } & 1 \\\hline \text { BLACK } & \text { GM } & 01-\text { Nov-1995 } & \text { TAMPA } & \text { CARY } & 2 \\\hline \text { BLACK } & \text { FORD } & 01-J a n-1995 & \text { ERIE } & \text { ERIE } & 3 \\\hline \text { GREEN } & \text { NISSAN } & 07-J u l-1994 & \text { TAMPA } & \text { TAMPA } & 4 \\\hline \text { JONES } & \text { FORD } & 01-J u l-1995 & \text { CARY } & \text { ERIE } & 5 \\\hline \text { JONES } & \text { GM } & 01-A u g-1995 & \text { ERIE } & \text { ERIE } & 6 \\\hline \text { MARTIN } & \text { FORD } & 01-A u g-1994 & \text { CARY } & \text { ERIE } & 7 \\\hline \text { SIMON } & \text { GM } & 01-S e p-1995 & \text { ERIE } & \text { CARY } & 8 \\\hline \text { WARP } & \text { TOYOTA } & 02-S e p-1995 & \text { RENO } & \text { RENO } & 9 \\\hline\end{array}$
In the table RENTALS, Rtn provides the rental number (the primary key., Cname refers to the Cname in Customer, Pickup is the city where the car was picked up, and Return is the city where the car was returned.

RENTCOST
$$\begin{array} { | l | l | } \hline \text { MAKE } & \text { COST } \\\hline \text { FORD } & 30 \\\hline \text { GM } & 40 \\\hline \text { NISSAN } & 30 \\\hline \text { TOYOTA } & 20 \\\hline \text { VOLVO } & 50 \\\hline\end{array}$$
In RENTCOST, COST shows the base cost of renting a given MAKE for one day.

CITYADJ
$$\begin{array} { | l | l | } \hline \text { CITY } & \text { FACTOR } \\\hline \text { CARY } & 1 \\\hline \text { ERIE } & 1.1 \\\hline \text { RENO } & 0.9 \\\hline \text { TAMPA } & 0.8 \\\hline\end{array}$$
If the return city of table RENTALS is the one listed in table CITYADJ, the cost of the rental is multiplied by FACTOR and by DAYS shown in table RENTLENGTH below.

RENTLENGTH
$$\begin{array} { | l | l | } \hline \text { RTN } & \text { DAYS } \\\hline 1 & 1 \\\hline 2 & 3 \\\hline 3 & 2 \\\hline 4 & 2 \\\hline 5 & 4 \\\hline 6 & 2 \\\hline 7 & 3 \\\hline 8 & 1 \\\hline\end{array}$$
RENTLENGTH shows the number of DAYS for the rental number (RTN) of the table RENTALS (this table exists for the sake of testing SQL. Normally, the data here should be part of table RENTALS.
-The execution of the command SELECT Cname FROM CUSTOMER WHERE Age < 30 AND Age > 40
Will produce the following number of rows:

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Definitions:

Fixed Manufacturing Expenses

Costs associated with production that do not vary with the level of output, including salaries of permanent staff and depreciation of machinery.

Fixed Selling

Refers to the selling expenses that do not change with the level of sales.

Financial Disadvantage

A situation where a person or entity is in a less favorable financial position compared to others due to various factors.

Fixed Manufacturing Overhead

The portion of manufacturing overhead costs that remains constant regardless of the volume of production, including expenses such as factory rent and salaries of permanent staff.