Question: Professor Tarhouni is regarded as “a superstar teacher in the business school.” He virtually won all the teaching awards offered in the business school, many of them multiple times. For example, he won the Professor of the Quarter Award for the Autumn quarter, which is voted on by the incoming class of MBA students, more than ten times. Upon receiving his latest Professor of the Quarter Award, he thanked his students and then he said, “These awards are not subject to diminishing marginal returns.” Briefly explain why he is right. Your answer cannot exceed three sentences.