2. Based on the following costs, what is the 2015 value for the three alternatives using a medical consumer price index (MCPI) inflation rate of 2.5% per year? Year 2013 2014 2015 Alternative A estimated cost (Php) 1000 3000 3000 Alternative B estimated cost (Php) 1500 1500 2500 Alternative C estimated cost (Php) 2000 2000 2000 3. Based on a 5% discount rate, what is the 2021 present value of the costs of the three alternatives? Assume that costs are assessed (accrued) at the end of each year. Year 2021 2022 2023 Alternative A estimated cost (Php) 1000 3000 3000 Alternative B estimated cost (Php) 1500 1500 2500 Alternative C estimated cost (Php) 2000 2000 2000