Mira compiles invoices, receipts, vouchers, etc. so that she can accurately calculate the expenses, revenue, and profit of the company. For every transaction, Mira requires written documentation, so that she accurately can keep track of them. To ensure that the information she presents is accurate, Mira reviews all the reports and statements she compiled and corrects any mistakes or discrepancies that she sees. List three (3) possible errors that Mira can encounter when processing financial transactions