Question: Accounts receivables were considered late if payment was not received within 32 days. Consider the measurement in problem #3 was the DSO for a daily random sampled invoice.

a. Estimate the percentage of invoices that are beyond 32 days.

b. Estimate the COPQ if the average invoice is $20,000 and the interest rate is 6% for the 10,000 invoices made a year.

c. Estimate the CODND if the average invoice is $20,000 and the interest rate is 6% for the 10,000 invoices made a year.