A section of roadway pavement costs $50,000 a year to maintain. What immediate expenditure for a replacement for the existing pavement is justifiable if the new pavement requires no maintenance in the first five years, $20,000 per year for the next 10 years , and $ 50,000 per year thereafter ( assume money to cost 10 % per annum)?

A section of roadway pavement costs $50,000 a year to maintain. What immediate expenditure for a replacement for the existing pavement is justifiable if the new pavement requires no maintenance in the first five years, $20,000 per year for the next 10 years, and $50,000 per year thereafter (assume money to cost 10% per annum)? Old pAvement: 3. New p ovemene: (all figures X 2 3 5 7 2345 656 52G250 so52 20 po