A bank moves currency from the main office to the branches daily for operational use. To avoid paying overnight interest, the branches return the currency at the end of the business day. The bank requires a new inventory management system to account for the whereabouts of the cash at all times. A software provider has proposed a heavily customized version of their standard inventory management software. As the project progresses, the business analyst (BA) identifies a number of subtleties that would suggest a fully made to order solution may be a better option for the bank. What inputs does the BA need to perform the analysis?