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The effective interest rate ( EIR ), effective annual interest rate, annual equivalent rate ( AER) or simply effective rate is the percentage of interest on a loan or financial product if compound interest accumulates in periods different than a year. [ 1] It is the compound interest payable annually in arrears, based on the nominal interest rate.
Equivalent annual cost. In finance, the equivalent annual cost ( EAC) is the cost per year of owning and operating an asset over its entire lifespan. It is calculated by dividing the negative NPV of a project by the "present value of annuity factor": , where. where r is the annual interest rate and. t is the number of years.
Actuarial notation is a shorthand method to allow actuaries to record mathematical formulas that deal with interest rates and life tables . Traditional notation uses a halo system, where symbols are placed as superscript or subscript before or after the main letter. Example notation using the halo system can be seen below.
In finance, the weighted-average life (WAL) of an amortizing loan or amortizing bond, also called average life, [ 1][ 2][ 3] is the weighted average of the times of the principal repayments: it's the average time until a dollar of principal is repaid. In a formula, [ 4] where: is the time (in years) from the calculation date to payment . If ...
In economics and finance, present value (PV), also known as present discounted value, is the value of an expected income stream determined as of the date of valuation.The present value is usually less than the future value because money has interest-earning potential, a characteristic referred to as the time value of money, except during times of negative interest rates, when the present value ...
e. In financial accounting, a cash flow statement, also known as statement of cash flows, [ 1] is a financial statement that shows how changes in balance sheet accounts and income affect cash and cash equivalents, and breaks the analysis down to operating, investing and financing activities. Essentially, the cash flow statement is concerned ...
The fixed monthly payment for a fixed rate mortgage is the amount paid by the borrower every month that ensures that the loan is paid off in full with interest at the end of its term. The monthly payment formula is based on the annuity formula. The monthly payment c depends upon: r - the monthly interest rate. Since the quoted yearly percentage ...
Here’s an example of how to keep rates low on financing. Say you take out a fixed-rate personal loan to pay down high-interest credit card debt when the Fed rate is at an all-time high. Since ...