What effective annual interest rate does the firm earn when a customer does not

What effective annual interest rate does the firm
earn when a customer does not take the discount? (Do not include the percent sign (%). Round your
answer to 2 decimal places (e.g.
32.16).)What effective annual interest rate does the firm
earn if the discount is changed to 3 percent? (Do not include the percent sign (%). Round your
answer to 2 decimal places (e.g.
32.16).)What effective annual interest rate does the firm
earn if the credit period is increased to 65 days? (Do not include the percent sign (%). Round your
answer to 2 decimal places (e.g.
32.16).)What effective annual interest rate does the firm
earn if the discount period is increased to 20 days? (Do not include the percent sign (%). Round your
answer to 2 decimal places (e.g.
32.16).)