Gray Uniforms is a wholesaler who sells school uniforms to retailers. On August 1, Gray contracts with Excel School Uniforms to sell 2,000 uniforms to Excel to be delivered September 1. The contract price is set at $300 each. The contract provides for a 10% volume discount if sales exceed 3,000 uniforms.The probability of sales exceeding 3,000 uniforms is expected to be 71%. Using the most-likely-amount approach, the consideration is estimated to be ________.

1. $813,000
2. $639,000
3. $540,000
4. $426,000