Discounted Cash Flow and Valuation

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1 Chapter 6 Discounted Cash Flows and Valuation Before You Go On Questions and Answers Section 6.1 1. Explain how to calculate the future value of a stream of cash flows. It would helpful to first construct a time line so that we can identify the timing of each cash flow. Then you would calculate the future vale of each individual cash flow. Finally, you would add up the future values of all the individual cash flows to determine the future value of the cash flow stream. 2. Explain how to calculate the present value of a stream of cash flows. To calculate the present value of a stream of cash flows, you should first draw a time line so that you can see that each cash flow is placed in its correct time period. Then you simply calculate the present value of each cash flow for its time period, and finally you add up all the present values. 3. Why is it important to adjust all cash flows to a common date? When making economic decisions, we need to compare ―apples to apples.‖ This is possible only when we bring all the cash flows to a common date, which can either be a present time or some future date. The reason is the time value of money: a dollar today is worth more than a dollar in the future. Thus, when cash flows are converted to the same time period, the time value of money concept holds true, and we can concentrate on the economic aspects of the decision. Section 6.2 2 1. How do an ordinary annuity, an annuity due, and a perpetuity differ? Ordinary annuity assumes that the cash flows occur at the end of a period. Most types of loans are ordinary annuities. On the other hand, annuity due is an annuity whose payment is to be made immediately (or at the beginning of a period) instead of at the end of the period. For example, in many leases the first payment is due immediately, and each successive payment must

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