An auditor has determined that a clients days in receivables ratio has slowly increased over the last three years. Which of the following could be a possible reason for this?

		A. The client has hired a collection agency which is extremely efficient at collecting.
		B. The receivables have been secured as collateral for a recent capital asset purchase.
		C. The accounts receivable department has implemented a new IT system, making collections much quicker and more efficient.
		D. The accounts receivable turnover ratio has decreased due to poor internal controls related to credit granting procedures.