You can help a taxpayer reconstruct their mileage records by using: O Last year's mileage, plus 11%, because their gross receipts also went up 11%. A standard amount of yearly mileage for their type of business. Last year's tax return, because they said that their income and expenses are always the same. O An online map tool and their appointment book. You can help a taxpayer reconstruct their mileage records by using: O Last year's mileage, plus 11%, because their gross receipts also went up 11%. O A standard amount of yearly mileage for their type of business. Last year's tax return, because they said that their income and expenses are always the same. O An online map tool and their appointment book