Could Someone please help me with these two questions please, thank you !!!

Problem 3. An ordinary annuity pays euro200 per month for two years, then euro300 per month for the next year, and then euro400 per month for the following two years. Find the present value of the annuity at a rate of 3% compounded monthly.

Problem 4. A car costing euro24,000 depreciates 25% of its value each year. (i) Find the book value at the end of the 5 years. (ii) Find the depreciation expense for the 6th year