A firm offers terms of 2.6/7, net 30. What effective annual interest rate does the firm earn when a customer does not take the discount? What effective annual interest rate does the firm earn if the terms are changed to 3.6/7, net 30, and the customer does not take the discount? What effective annual interest rate does the firm earn if the terms are changed to 2.6/7, net 45, and the customer does not take the discount? What effective annual interest rate does the firm earn if the terms are changed to 2.6/12, net 30, and the customer does not take the discount?