Final answer:
The Bryan Cave law firm struggled with billing its real estate clients due to outdated billing systems, leading to inefficiencies and delays in invoicing.
Step-by-step explanation:
According to the Real World Case, the Bryan Cave law firm had difficulty billing its real estate customers because the billing systems were outdated. This issue could lead to a variety of problems such as inefficiencies in tracking time, delays in sending out invoices, and challenges in managing client accounts. Outdated systems can also make it more difficult to adjust to the complex pricing models that may be required for handling real estate transactions, which can be quite diverse in nature. Updating billing systems can not only streamline the process but also help in maintaining better client relationships by accurately and promptly billing for services rendered.