4. A savings account earns interest of BHD 160 in 48 months at a simple interest rate of 5%. Find the principal amount deposited.

5. On April 19, Jamaal joined a football club. His bank will automatically deduct BD 130 from his checking account at the end of each month, and deposit it into his football account, where it will earn 6% annual interest. The account comes to term on December 1. Analysis the following: a. Future value of Jamaals football club account. ( 4 Marks ) b. Jamaals total contribution to the account. (3 Marks) c. Total interest earned on the account. (3 Marks)

Note: write the steps please and i need a 100% correct answer. Thank you