Your client, Client A, has a problem. He has a number of invoices that have not been paid by the customer after the customer became insolvent. Another client, Client B, needs to adjust invoices because of small overpayments by the customer on a series of invoices dating back six months. Which client or clients would need to use the Write off invoices feature of QuickBooks Online to get their books corrected, and can they perform the task themselves? Select the option that has the correct answer for both parts of the question.