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Which of the following most logically completes the argument? TechCorp and Innovatech are two companies that employ a large number of full-time workers who are compensated on an hourly basis. Publicly available records indicate that TechCorp employs approximately the same number of hourly wage workers as Innovatech but spends a significantly higher total amount each year on wages for these workers. Therefore, the average hourly wages must be higher at TechCorp than at Innovatech, since _____.