ACCOUNTING TERMS - ACCOUNTING DICTIONARY - ACCOUNTING GLOSSARY
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ACCOUNT AGING Definition
ACCOUNT AGING usually refers to the methods of tracking past due accounts in accounts receivable based on the dates the charges were incurred. Account aging can also be used in accounts payable, to a lesser degree, to monitor payment history to suppliers. See also AGING OF ACCOUNTS.
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MODIFIED INTERNAL RATE OF RETURN is the rate of return which equates the initial investment with the terminal value, where the terminal value is the future value of the cash inflows compounded at the required rate of return (the opportunity cost of capital).
LEHMAN FORMULA is a compensation formula originally developed by investment bankers Lehman Brothers for investment banking services:
- 5% of the first million dollars involved in the transaction for services rendered
- 4% of the second million
- 3% of the third million
- 2% of the fourth million
- 1% of everything thereafter (above $4 million)
NOTE: Most investment bankers now require an additional multiplier to offset inflation.

