In “I owe 1,000—rather, 2,000,” what is owed under the textbook’s example?

Particles of Meaning: Waw, Fa, Thumma, Bal and Lakin

• 2,000, because the second acknowledgement corrects the first
• 1,000, because the first admission always overrides the second
• 3,000, because the amounts must be added
• Either 1,000 or 2,000 remains optional for later selection