专业英语课后习题答案
【篇一：专业英语课后答案】
  ?what are the three basic questions of corporate finance?
a. investment decision (capital budgeting): what long-term investment strategy should a firm adopt?
b.financing decision (capital structure): how much cash must be raised for therequired investments?
c. short-term finance decision (working capital): how much short-term cash
flow does company need to pay its bills.
?  list three reasons why value creation is difficult.
value creation is difficult because it is not easy to observe cash flows directly.  the reasons are:
a. cash flows are sometimes difficult to identify.
b. the timing of cash flows is difficult to determine.
c. cash flows are uncertain and therefore risky.
concept questions - chapter 2
? what is the balance-sheet equation?
assets = liabilities + stockholders equity
? what three things should be kept in mind when looking at a balance sheet?  accounting liquidity, debt vs. equity, and value vs. cost.
? what is the income statement equation?
revenue - expenses = income
?what are the three things to keep in mind when looking at an income statement? ge
nerally accepted accounting principles (gaap), noncash items, and time and costs.
? what are noncash expenses?
noncash expenses are items included as expenses but which do not directly affect cash flow.  the most important one is depreciation.
? what is net working capital?
it is the difference between current assets and current liabilities.
?what is the change in net working capital?
to determine changes in net working capital you subtract uses of net working capital from sources of net working capital.
? how is cash flow different from changes in net working capital?
the difference between cash flow and changes in new working capital is that some tr
ansactions affect cash flow and not net working capital.  the acquisition of inventories with cash is a good example of a change in working capital
requirements.
? what is the difference between operating cash flow and total cash flow of the
answers to concept questions
  a-1
firm?
the main difference between the two is capital spending and additions to
working capital, that is, investment in fixed assets and investment in working capital.
concept questions  - chapter 3
?define future value and present value.
future value is the value of a sum after investing over one or more periods.  present value is the value today of cash flows to be received in the future.
? how does one use net present value when making an investment decision? one determines the present value of future cash flows and then subtracts the cost of the investment.  if this value is positive, the investment should be
undertaken.  if the npv is negative, then the investment should be rejected. ? what is the formula for the net present value of a project?t
npv  =  -c0  + ?ct /(1+i)t
t=1
? what is the relationship between the stated annual interest rate and the effective annual interest rate?
effective annual interest rate = (1 + (r/m) )m - 1.
?
define continuous compounding.
continuous compounding compounds investments every instant.
? what are the formulas for perpetuity, growing-perpetuity, annuity, and
growing annuity?
perpetuity:  pv = c/r
growing perpetuity:  pv = c/(r-g)
annuity:  pv = (c/r) [1-1/(1+r)t]
growing annuity:  pv = [c/(r-g)] [1-((1+g) / (1+r))t ]
?what are three important points concerning the growing perpetuity formula?
deductible 1. the numerator.
2. the interest rate and the growth rate.
3. the timing assumption.
  concept questions – chapter 4
? define pure discount bonds, level-coupon bonds, and consols.
a pure discount bond is one that makes no intervening interest payments.  one receives a single lump sum payment at maturity.  a level-coupon bond is a
combination of an annuity and a lump sum at maturity.  a consol is a bond that makes interest payments forever.
a- answers to concept questions  2
?contrast the state interest rate and the effective annual interest rate for bonds
paying semi-annual interest.
effective annual interest rate on a bond takes into account two periods of
compounding per year received on the coupon payments.  the state rate does not take this into account.
?what is the relationship between interest rates and bond prices?
there is an inverse relationship.  when one goes up, the other goes down.