Explain clearly and use the step!

Suppose you plan to enter doctoral studies five years from now. You estimate that the cost for college is Rp. 25.000.000 per year. Savings funds for tuition fees can be taken from the first day of study. You estimate that the savings fund can generate 6% per year. The estimated length of study is four years. You have two investment options, first investment at once at the beginning of the year or the second installment of the investment annually in an equal amount starting at the beginning of the year.

Table Class Schedule.

	Alternative 1	Alternative 2
Now, (July 1, 2021)	(-) Rp?	(-) Rp?
1 July 2022		(-) Rp?
1 July 2023		(-) Rp?
1 July 2024		(-) Rp?
1 July 2025		(-) Rp?
Go to college, (July 1, 2026)	Rp25.000.000	Rp25.000.000
1 July 2027	Rp25.000.000	Rp25.000.000
1 July 2028	Rp25.000.000	Rp25.000.000
1 July 2029	Rp25.000.000	Rp25.000.000

Questions

1. How much money do you have to save at this time so that the tuition fee needs can be met? (first alternative)

2. How much money do you have to save each year from now on so that these tuition fees can be met? (second alternative).