Triggers vs. computed columns

While continuing your analysis of the database, you find two other interesting objects:

The table SalesWithPrice has a column that calculates the TotalAmount as Quantity * Price. This is done using a computed column which uses columns from the same table for the calculation.
The trigger SalesCalculateTotalAmount was created on the SalesWithoutPrice table. The Price column is not part of the SalesWithoutPrice table, so a computed column cannot be used for the TotalAmount. The trigger overcomes this limitation by using the Price column from the Products table.

XP

Insert new data into SalesWithPrice and then run a SELECT from the same table to verify the outcome.