Evaluate a combined cycle power plant on the basis of the Present Worth Method $($PW$)$ when MARR is $12\%$ per year. Pertinent cost data are as follows. $($Power Plant $($thousands of $$)$

Investment Cost $$12693$

Useful life: $15$ ears

Market Value $($EOY $15)$: $$3,000$

Annual Operating expenses: $$1,000$

Overhaul cost $-$ end of $5$ th year: $$1897$

Overhaul cost $-$ end of $10$ th year: $$1819$