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You have a table that was created by running the following Transact-SQL statement:

The Products table includes the data shown in the following table:

TotalUnitPrice is calculated by using the following formula:
TotalUnitPrice = UnitPrice * (UnitsInStock + UnitsOnOrder)
You need to ensure that the value returned for TotalUnitPrice for ProductB is equal to 600.00.
Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?
Correct Answer: A
Explanation/Reference:
Explanation:
ISNULL ( check_expression , replacement_value )
Arguments:
check_expression
Is the expression to be checked for NULL. check_expression can be of any type.
replacement_value
Is the expression to be returned if check_expression is NULL. replacement_value must be of a type that is implicitly convertible to the type of check_expresssion.
References: https://docs.microsoft.com/en-us/sql/t-sql/functions/isnull-transact-sql