The Definitive Guide to Business Finance: What smart managers do with the numbers, Second Edition

Ten hard questions to ask or be asked

1	Are amounts stated with too much or too little precision for the purpose?
2	Have numbers been rounded correctly (e.g. has an amount been rounded up when it should have been rounded down)?
3	Were numbers rounded at the correct stage of a calculation (e.g. were calculations performed on rounded numbers when they should have used un-rounded values, or vice versa)?[*] [*] A famous ruse in the early days of computers was to pay (e.g. salaries) with amounts rounded down, charge (e.g. the payroll account) for the sum of the amounts rounded up, and pocket the difference – which could amount to thousands when applied to a large volume of transactions.
4	Have calculations that were copied across or down a spreadsheet ...