Please help me with the question below with detailed steps for each part, thank you!

Problem 19.2 In order to accumulate $2,000, you will deposit $100 at the end of each month for as long as necessary. Interest is i(12) 4%. (a) How many regular payments are required to accumulate the $2,000? (b) If a final fractional payment will be added to the last regular payment what must this frac tional payment be