Please help me solving these two questions they are annuity as a geometric series

Goals Skills 3. The timeline below shows an annuity with an interest rate of 12%. Now 3 -A 800 800 800 800 800(1.03)1 800(1.03)2 800(1.03)3 a) What was the length of the investment? How do you know? b) How often was interest calculated? How do you know? c) How can this annuity be represented as a geometric series? Explain. 4. The timeline below shows an annuity from which withdrawals are made for 16 years. Now + N 3 31 32 1200 1200 1200 1200 6. 1080 acer A SP I R Ec) How can this annuity be represented as a geometric series? Explain. 4. The timeline below shows an annuity from which withdrawals are made for 16 years. Now N 3 31 32 1200 1200 1200 1200 1200 1200 (1.04) 1 1200 (1.04)2 1200 (1.04)3 1200 (1.04) 31 1200 (1.04) 32 a) What is the annual interest rate? How do you know? b) What is the value of each withdrawal? How do you know? c) How many withdrawals are made? How do you know? d) How can this annuity be represented as a geometric series? Explain. Click on the Submit Your Work link below to access the rubric for this activity. HD - 1080 acer A S P R # Syalta Bysi Break /inter Insert Delete/Supp