Table 10 The effect of discount rate on mean NPV
| Â | Design wind classification | Mean NPV | |||
|---|---|---|---|---|---|
RF | WS | WR | IW | ||
(a) Discount rate of 2% | |||||
 Brisbane | N2 | -$1404 | $6485 | $6184 | -$781 |
N3 | -$1524 | $3864 | $13 | -$1267 | |
 Melbourne | N1 | -$2005 | -$2442 | -$892 | -$2404 |
N2 | -$1969 | -$1328 | $1352 | -$2131 | |
(b) Discount rate of 7% | |||||
 Brisbane | N2 | -$1782 | -$301 | $2171 | -$1987 |
N3 | -$1837 | -$1497 | -$692 | -$2209 | |
 Melbourne | N1 | -$2056 | -$4376 | -$1105 | -$2728 |
N2 | -$2042 | -$3868 | -$35 | -$2603 | |