Question: I need solution to this SQL question: What SELECT statement would you use in a longer query to calculate the amount of money earned by

I need solution to this SQL question: What SELECT statement would you use in a longer query to calculate the amount of money earned by each instructor based on the length of time for the class and $20 per hour? Display the instructors last name and the amount earned.
a. SELECT InstructorLastName, LengthofTime*20 AS Amount Earned
b. SELECT InstructorLastName, LengthofTime/60*20 AS Earnings OF Instructor
c. SELECT InstructorLastName, LengthofTime/60*20 AS AmountEarned
d. SELECT InstructorLastName, JOIN LengthofTime/60*20 AS Amount Earned

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