COST DRIVER is any activity or series of activities that takes place within an organization and causes costs to be incurred. Cost drivers are used in a system of activity-based costing to charge costs to products or services. Cost drivers are applied to cost pools, which relate to common activities. Cost drivers are not restricted to departments or sections, as more than one activity may be identified within a department.
DURATION, in securities, is a measure in years of interest rate risk for a specific security or portfolio. Duration is the weighted average time to receive the present value of cash flows from a specific security or portfolio. When the duration is divided by the discount rate plus one, the resulting modified duration measures the sensitivity of a bond to changes in interest rates. Used by bond managers instead of maturity as it accounts for all principal and interest cash flows in addition to the final maturity payment. For example, the duration of a 10-year zero-coupon bond equals its maturity of 10, while the duration of a 10-year 7.5% coupon bond is less than seven years.
SUNDRY ACCOUNT is an account where miscellaneous items are recorded, e.g. infrequent transactions involving customers or suppliers that are not tracked in the normal course of business.
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