Question 6
We need to find how long the annuities need to be paid so that PV of them add upto ≥ $ 1,500
We can find this using NPER function of excel. Inputs are:
Rate = 5%, PMT = $ 100, PV = -1500, FV = 0
Hence, NPER (Rate, PMT, PV, FV) = NPER (5%, 100, -1500, 0) = 28.41339817 years
Hence, Mrs Henry Dashwood have to live for 29 years more, to make John Dashwood regret choosing the annuity over the lump sum, if he can invest his money at 5%.
If rate = 10%, the break even can never occur. That means, even if Mrs. Henry Dashwood live for infinite number of years, the PV of $ 100 at 10% rate = PV of $ 100 in perpetuity = 100 / 10% = $ 1,000 < $ 1,500, the lumpsum payment.
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Question 7
If i denotes the period from now and Ci is the cash flow occurring at the end of period i, then
where R is the cost of capital = 15%, C0 = Cost paid in year 0. The project should have NPV ≥ 0
Hence,
Hence, the most it is worth paying for the machine now
C1 = C2 = 0; C3 = 10,000; C4 = 11,000; C5 = 12,000; C6 = 13,000; C7 = 14,000; C8 = 15,000
Hence, the most it is worth paying for the machine now
=$ 34,617.47
6) At the beginning of the film Sense and Sensibility, Mr John Dashwood and his avaricious...
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