I will upvote when you answer these 3 questions. thank you

Given: The cost of an asphalt pavement is as follows: Initial cost = Php20,000,000 Annual maintenance = Php1,500,000 Additional maintenance every 5 years = Php3,000,000 Cost of money, i = 8% Questions: 1. What is the equivalent annual cost of this pavement? a. Php3611369 b. Php4125568 c. Php3874562 d. Php3125745 2. What is the present worth of all additional maintenance costs for 25 years? a. Php6547125 b. Php5653254 c. Php4852365 d. Php5458753 3. What is the present worth of all the costs for 25 years? a. Php20235653 b. Php19256365 c. Php21470938 d. Php18256365 Given: The cost of an asphalt pavement is as follows: Initial cost = Php20,000,000 Annual maintenance = Php1,500,000 Additional maintenance every 5 years = Php3,000,000 Cost of money, i = 8% Questions: 1. What is the equivalent annual cost of this pavement? a. Php3611369 b. Php4125568 c. Php3874562 d. Php3125745 2. What is the present worth of all additional maintenance costs for 25 years? a. Php6547125 b. Php5653254 c. Php4852365 d. Php5458753 3. What is the present worth of all the costs for 25 years? a. Php20235653 b. Php19256365 c. Php21470938 d. Php18256365