Please help me to solve the last part of my quiz. Solve with clear solutions. I will upvote promise. Thank you in advance :)

1. P20,000 is invested for 5 years at 12% interest compounded semiannually. How much was the interest earned? 2. Ms. Ann invested P50,000 for (5&3/4) years at 8% compounded quarterly. Determine the value of F. F 3. Exact Interest, Approximate Time How much must be paid on March 26,2020 to settle the loan of P9,000 borrowed on Nov. 3, 2019 with a simple interest of 8%? 4. Find the ordinary interest on P75,000 for 198 days at 8% Use 6% Method 5. Find the ordinary interest on P75,000 for 198 days at 4% Use 6% Method