G.3. A proposed geothermal energy project has an initial cost of $1,000K. In addition it will re- quire an infinite series of periodic maintenance expenditures at five-year intervals following the first maintenance expenditure at EOY 2. Find the equivalent annual cost with n →∞ and i = 88 percent per year. ΕΟΥ Expenditure 0 Initial cost $1,000K 2 Periodic maintenance 140K 7 Same 200K 12 Same 260K 17 Same 320K etc to

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G.3. A proposed geothermal energy project has an initial cost of $1,000K. In addition it will re-
quire an infinite series of periodic maintenance expenditures at five-year intervals following
the first maintenance expenditure at EOY 2. Find the equivalent annual cost with n o
and i = 88 percent per year.
%3!
EOY
Expenditure
Initial cost
Periodic maintenance
$1,000K
140K
Same
200K
12
Sanme
260K
17
Same
320K
etc. to co
etc. to oo
(Ans. NAW = $137,510K/yr)
Transcribed Image Text:G.3. A proposed geothermal energy project has an initial cost of $1,000K. In addition it will re- quire an infinite series of periodic maintenance expenditures at five-year intervals following the first maintenance expenditure at EOY 2. Find the equivalent annual cost with n o and i = 88 percent per year. %3! EOY Expenditure Initial cost Periodic maintenance $1,000K 140K Same 200K 12 Sanme 260K 17 Same 320K etc. to co etc. to oo (Ans. NAW = $137,510K/yr)
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