Solve using try and error method.. Show full method of calculations way

(F-DN) y cash flow Initial cost =-500,000 Productivity 500.000 - 0 118.000 - 0 - 1000 - O 118,000 - 1000 Maintanance Salvage value Pw cai') = 0 =-500.000 + 118 000 (PA, Di', 10) - 1000CPA,DI' 10) O = -500,000 + 117.000 CP/A, Ai',10) (PA, AT',10). 500,00 117,000 = (P/A, Ai', 10) = 4.2735 (F-DN) y cash flow Initial cost =-500,000 Productivity 500.000 - 0 118.000 - 0 - 1000 - O 118,000 - 1000 Maintanance Salvage value Pw cai') = 0 =-500.000 + 118 000 (PA, Di', 10) - 1000CPA,DI' 10) O = -500,000 + 117.000 CP/A, Ai',10) (PA, AT',10). 500,00 117,000 = (P/A, Ai', 10) = 4.2735