Calculate the simple interest earned on an investment of $\$2540$$2540 at $9%$9% p.a. for $2$2 years.
Give your answer to the nearest cent.
Calculate the simple interest on a loan of $\$8000$$8000 at $8%$8% p.a. for $6$6 years.
Give the answer to the nearest dollar.
Calculate the simple interest earned on an investment of $\$2010$$2010 at a rate of $6%$6% p.a. for $13$13 months.
Tara takes out a car loan of $\$6000$$6000 at a simple interest rate of $8%$8% p.a.
She plans to repay the loan over $2$2 years through regular monthly repayments.