9. Answer the following related to Accounting & Payment Processes on a project: A. Why is important that the accounting procedures conform to the contract? B. Why should a "normal invoice"

be issued as soon as possible, and why is it important to issue to invoice ahead of the payment due date? C. Why should payment requests have adequate supporting documentation? D. What is "cash-flow", and why is important for the project manager and accountant to monitor cash flow on a project?