please help solve

Solve the following fifteen problems - monthly mortsage payment. 1. $160,000 mortgage, 4%, 30 vears. 2. $160,000 mortgage, 4%, 20 vears. 3. $160,000 mortgage, 4%, 15 years. 4. $200,000 mortgage, 3%, 30 years. 5. $200,000 mortgage, 3%,20 vears. 6. $200,000 mortgage, 3%,15 years. 7. $30,000 mortgage, 6%, 30 years. 8. $80,000 mortgage, 6%, 20 vears. 9. $80,000 mortgage, 6%, 15 vears. 10. 5120,000 mortgage, 5%, 30 years. 11. $120,000 mortgage, 5%,20 years. 12. $120,000 mortgage, 5%,15years 13. $250,000 mortgage, 3.5%, 30 years. 14. $250,000 mortgage, 3.5%,20 years. 15. $250,000 mortgage, 3.5%, 15 years