A firm offers terms of 1.8/10, net 30.

a.	What effective annual interest rate does the firm earn when a customer does not take the discount?(Use 365 days a year.Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16))

Effective annual interest rate

%

b.	What effective annual interest rate does the firm earn if the terms are changed to 2.8/10, net 30, and the customer does not take the discount? (Use 365 days a year. Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16))

Effective annual interest rate

%

c.	What effective annual interest rate does the firm earn if the terms are changed to 1.8/10, net 60, and the customer does not take the discount? (Use 365 days a year. Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16))

Effective annual interest rate

%

d.	What effective annual interest rate does the firm earn if the terms are changed to 1.8/15, net 30, and the customer does not take the discount? (Use 365 days a year. Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16))

Effective annual interest rate

%