Calculate the simple interest earned on an investment of $\$8760$$8760 at $2%$2% p.a. for $7$7 years.
Give the answer to the nearest cent.
Calculate the simple interest on a loan of $\$8000$$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 $\$4640$$4640 at a rate of $2%$2% p.a. for $23$23 months.
Beth takes out a car loan of $\$3000$$3000 at a simple interest of $8%$8% p.a.
She plans to repay the loan over $4$4 years through regular monthly repayments.