A health club offers memberships at the rate of $300, provided that at least 50 people join. For each member in excess of 50, the membership fee will be reduced by $2 for all members. Due to space limitations, at most 125 memberships will be sold. How many memberships should the club sell in order to maximize its revenue? O 125 O 75 O 50 O 100 O none of these

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