3. A $25,000 investment earned 0.25% per month simple interest for a three-month term. What total amount of interest was earned? 4. What was the term of a $4850 loan at 4.5% if the interest due at the end was $145.50? 5. The interest paid at the end of the term of a $9125 loan at 0.8% per month was $511.00. Calculate the term of the loan.