### Sharon:
- Monthly Interest: \( \$5,000 \times \left( \frac{0.25}{12} \right) = \$104.17 \)
- Principal Payment: \( \$150 - \$104.17 = \$45.83 \)
- New Balance: \( \$5,000 - \$45.83 = \$4,954.17 \)
### Cecilia:
- Monthly Interest: \( \$5,000 \times \left( \frac{0.25}{12} \right) = \$104.17 \)
- Principal Payment: \( \$400 - \$104.17 = \$295.83 \)
- New Balance: \( \$5,000 - \$295.83 = \$4,704.17 \)
### Alexander:
- Monthly Interest: \( \$5,000 \times \left( \frac{0.25}{12} \right) = \$104.17 \)
- Principal Payment: \( \$800 - \$104.17 = \$695.83 \)
- New Balance: \( \$5,000 - \$695.83 = \$4,304.17 \)
After 5 months, here are the values for each person:
### Sharon:
- Total interest paid: \( 5 \times \$104.17 = \$520.85 \)
- Remaining balance: \$4,954.17
### Cecilia:
- Total interest paid: \( 5 \times \$104.17 = \$520.85 \)
- Remaining balance: \$4,704.17
### Alexander:
- Total interest paid: \( 5 \times \$104.17 = \$520.85 \)
- Remaining balance: \$4,304.17