Improving Accounts Receivable Turnover

ABC Corp. has been facing challenges with its accounts receivable (AR) management. Recently, the finance team conducted a review and discovered that the average collection period (ACP) has increased from 30 days to 45 days over the past year. In order to evaluate the implications of this change, the finance manager examined the company's working capital requirements and sought to implement some strategies to improve cash flows.

Which of the following actions would most effectively improve ABC Corp.'s accounts receivable turnover ratio?