Final answer:
The most useful report for this task would be the past due report. It provides a list of customers who have not made their payment on time, helping prioritize collections and improve cash flow.
Step-by-step explanation:
The most useful report for this task would be the past due report. This report provides a list of all the customers who have not made their payment on time. By using this report, your company can easily identify which customers need to be called and reminded about their payments.
Additionally, the report can include the duration of the delay, allowing you to prioritize your calls and focus on customers who have been late for a longer period. It may also provide other details like contact information or notes about customer interactions, which can be useful during the call.
Using the past due report, your company can effectively manage collections and improve cash flow by promptly following up with customers who have not made their payments.