Fill in the missing dollar amounts to complete the balance sheet. Cook the books is a slang term for using accounting tricks to make a company's financial results look better than they really are.Hi all, I keep getting error when creating a sales invoice even if all the details have been correctly filled. Accounts Receivable: Amounts customers owe on account that result from the sale of goods and services. You need to fill out a factoring application. Call us at 1-855-424-2955, request a factoring quote, or send us an email, and we'll send you a form right away. How to Write an Email to Collect Payment from Customers? Accounts receivable involves invoicing customers and tracking payment of those invoices. It often requires you to follow up on overdue payments. What are days payables and days receivables?