3. (40) Reading the following sentences, please mark O for the right sentence, and x for the wrong one. In case of the wrong sentence, correct the sentence. (a) (8) Z Z n-z n+ K K K K K Annual Worth of the above cash flow = K[(A/F, i, z) + (A/P, i, n)] b) (8) The effective rate is always greater than the nominal rate. (c) (8) The following three conditions will always guarantee one unique real value of the intemal rate of return; The cash flow starts from negative flow. 2 There's only one sign change in the series of the cash flow. Summation of the positive cash flows is greater than summation of the negative cash flows (d) (8) For no-interperiod-interest policy with PP>CP, deposits are regarded as made at the end of the compounding period, while withdrawals are regarded as made at the beginning. (e) (8) Seoultech just released $1,000 bond that matures in 5 years. The bond pays dividends semiannually at a rate of 4% per year. You are going to buy the bond at a price of $1,050. The effective rate of return per year is computed as 4.04%