Finance Formulas / July 17, 2018 / Tatiana Douglas
If you have credit cards or bank loans for your home, you pay interest (or a finance charge) on that money at a specific percentage over the course of the year. This is called APR, or annual percentage rate. Calculating your APR on your credit cards takes only a few minutes if you know some key factors and a little algebra. The APR on mortgage loans, however, is different from the simple interest rate because of additional charges or fees to you for securing your loan.
Discounted cash flow models are powerful, but they do have shortcomings. DCF is merely a mechanical valuation tool, which makes it subject to the axiom "garbage in, garbage out." Small changes in inputs can result in large changes in the value of a company. Instead of trying to project the cash flows to infinity, terminal value techniques are often used. A simple annuity is used to estimate the terminal value past 10 years, for example. This is done because it is harder to come to a realistic estimate of the cash flows as time goes on.
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