1
2
4 50 50 3
1 12ha 500m 45 2,000m 4
m 250m 250m m % % 5
1 0 1 0 6
DID DID DID DID DID DID 7
X 5 1/2 1/2 ( PL) = A + 1 LN( X1) + 2 LN( X 2) + 3 X 3 + 4 LN( X 4) + 5 LN( X 5) + 6 X 6 + 7 X 7 + 8 LN( X 8) LN LN () PL / A 1 8 X1 X 2 X 3 X 4 m X 5 % X 6 =1=0 X 7 =1=0 X 8% 8
1-0.298-0.095 2-0.261-0.208-0.281 3 0.092 0.060 0.094 4m 0.140 0.200 0.115 5% 0.172 0.090 0.048 6=1= 0 0.267 0.088 0.120 8% 0.123 1-0.193-0.149 2-0.155-0.240 3 0.150 0.052 4m 0.118 5% 0.183 0.130 6=1= 0 0.149 7=1= 0 0.075 0.173 8% 1.362 0.752 A X1 X8 A = LN ( PL) 1 LN( X1) 2 LN( X 2) 3 X 3 4 LN( X 4) 5 LN( X 5) 6 X 6 7 X 7 8 LN( X 8) 9
PL A = PL exp exp A ( X 3 ) ( X 3 ) 3 X 5 X 5 A 5 A PL / PL / A X 3 X 3 A X 5 % X 5 % 3 5 1 4%1 RE i PL = i 0.04 REi i 1 RL i 1 i 10
Ra Ra GRRb Rb REj Sj REi Si GRREk REk Sk Ra,Ra (w)(wo) Rb,Rb (w)(wo) REi (wo) i REj (w) REk (wo) REk (w) Si (wo) i Sj (w) Sk GR 11
12
100% = a t t t t t 0 at t 1 1 13
4% PV = d + T t= 0 1 t t ( + r) PV t t t 0 r =0.04 d T =50 4% CPV = d + T t ( ) { LC } t j t= 0 1+ r j ( 1+ r ) C 1 d + T CPV Ct t t 0 r =0.04 d T =50 j LC j j 14
15
/C/ NPV = n t 1 C t (1 + i) EIRR 0 n t 1 t (1 + i t t 1 C t t 1 0 ) = 0 i0 /C NPV EIRR 16
(/C) 10 a) b) c) 17