, , 8% . Boston Gas and Electric Co, 10 . , 100 . . BG&E?
. , 10 . 100 .:
= /
10% (.. 10 ./ .). 10%- 8%- , . , , , . .
, . , , , , , 1000 ., 4% . , (growth annuity). :
PV= | C1 |
i-g |
C1 , a g .
, i 9%. :
PV = 1000 . / (0,09 - 0,04)
=1000./0,05
=20000 .
20000 ., .
, , , 3% . 1 . . 10% , ?
PV , 10% . . :
PV=1 . /(0,10- 0,03)
=1 ./0,07
=14,29 .