Please assist me with these problems. Thank you

E. Assume you want to buy a car in 5 years and you think you can save Php200,000.00 per year. You intend to invest the money that earns 6% interest. At the end of the year, you will make your first investment. How much money will you have in 5 years? How much will you have after 5 years if you consider the problem in E, except that your first investment is at the beginning of the year? Assume you are offered a ten-year investment that pays you Php100,000.00 at the end of each year. You could earn 8% if you invest in another investment with the same risk. What is the most you should be willing to pay for the investment? H. How much are you willing to pay for the investment in light of the problem in G, except that payments began immediately