Calculate the simple interest earned on an investment of $\$8840$$8840 at $6%$6% p.a. for $2$2 years.
Give your answer to the nearest cent.
What is the total interest to be paid on a $2$2-year $\$3000$$3000 loan at $17%$17% p.a. flat interest?
Homer borrowed $\$7600$$7600 from a bank at a simple interest rate of $4.5%$4.5% for one year.
What is the total amount to be paid on a $4$4-year $\$90000$$90000 loan at $12%$12% p.a. flat interest?