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18. Your company is considering granting credit to a new customer for a one time sale. The variable cost per unit is $30; the current price per unit is $60; and the monthly required return (cost of capital) is 2%. What probability of default for the new customer would make the firm break even when granting credit for the one time sale? A) 2% B) 49% C) 51% D) 98% E) 99%