Calculate the amount of interest earned on a $3,000 investment made for 2 years at 3% p.a..

Devin invested $8,000 at 3.00% per annum. Calculate the amount of interest earned for 6 months.

Calculate the amount of money that was loaned at 8.00% per annum for 3 years if the simple interest charged was $816.00.

Maria borrowed $10,000 at an interest rate of 1.00% p.m. for 9 months. Calculate the maturity value of the loan at the end of the period.