A project has EV of $180,000, AC of $200,000, and PV of $190,000. What are its cost and schedule variances?

1. CV = -$10,000; SV = -$20,000
2. CV = $20,000; SV = $10,000
3. CV = $10,000; SV = -$20,000
4. CV = -$20,000; SV = -$10,000