Explain clearly..

U. Choose from the two plants which is more economical: Use ROR on Additional Investment Method Condensing Plant Non-Condensing Plant Life 20 year 25 years First Cost P 100,000.00 P 86.000.000 Operation Cost P 28,000.000 P 24,000.000 Salvage Value 5% of First Cost 5% of First Cost Taxes 1% 1% Insurance 1.5% 1 5% Interest 4% 4%