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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] = =,
Similarities in both values and definitions of Macaulay duration versus Weighted Average Life can lead to confusing the purpose and calculation of the two. [12] For example, a 5-year fixed-rate interest-only bond would have a Weighted Average Life of 5, and a Macaulay duration that should be very close.
where: P is the principal amount borrowed, A is the periodic amortization payment, r is the periodic interest rate divided by 100 (nominal annual interest rate also divided by 12 in case of monthly installments), and n is the total number of payments (for a 30-year loan with monthly payments n = 30 × 12 = 360).
Front-end loads reduce the amount of your investment. For example, let's say you have $1,000 and want to invest it in a mutual fund with a 5% front-end load. The $50 sales load you must pay comes off the top, and the remaining $950 will be invested in the fund. The Maximum sales load under the Investment Company Act of 1940 is 9%.
Average cost. The average cost method relies on average unit cost to calculate cost of units sold and ending inventory. Several variations on the calculation may be used, including weighted average and moving average. First-In First-Out (FIFO) assumes that the items purchased or produced first are sold first.
The need for day count conventions is a direct consequence of interest-earning investments. Different conventions were developed to address often conflicting requirements, including ease of calculation, constancy of time period (day, month, or year) and the needs of the accounting department.
Thus, by accounting for principal payments, DSCR reflects the cash flow situation of an entity. For example, if a property has a debt coverage ratio of less than one, the income that property generates is not enough to cover the mortgage payments and the property's operating expenses. A property with a debt coverage ratio of .8 only generates ...
Average fixed cost is the fixed cost per unit of output. As the total number of units of the good produced increases, the average fixed cost decreases because the same amount of fixed costs is being spread over a larger number of units of output. Average variable cost plus average fixed cost equals average total cost: