NO.PZ2023052407000002
问题如下:
Grey Pebble Real Estate seeks a fully amortizing fixed-rate five-year mortgage loan to finance 75 percent of the purchase price of a residential building that costs NZD5 million. The annual mortgage rate is 4.8 percent. The monthly payment for this mortgage would be closest to:
选项:
A.
NZD70,424.
B.
NZD93,899.
C.
NZD71,781.
解释:
A is correct. The present value of the mortgage is NZD3.75 million
(=0.75×5,000,000), the periodic discount rate is 0.004 (=0.048/12), and the number of periods is 60 (=5×12). Using Equation 8,
Alternatively, the spreadsheet PMT function may be used with the inputs stated earlier.
B is incorrect. NZD93,899 is the result if NZD5 million is incorrectly used as the present value term.
C is incorrect. NZD71,781 is the result if the calculation is made using 4.8 percent as the rate and 5 as the number of periods, then the answer is divided by 12.
不明白equation 8 是怎么得到的