1. Chapter 17 Obligations of the Seller or Lessor 1. The seller or lessor must tender conforming goods to the buyer. 2.If the seller or lessor tenders nonconforming goods prior to the performance date and the buyer or lessee rejects them, the seller or lessor may cure (repair or replace the goods) within the contract time for performance. 3. If the agreed-on means of delivery becomes impracticable or unavailable, the seller must substitute an alternative means (such as a different carrier) if one is available. 4. If a seller or lessor tenders nonconforming goods in any one installment under an installment contract, the buyer or lessee may reject the installment only if its value is substantially impaired and cannot be cured. 5. When performance becomes commercially impracticable owing to circumstances unforeseen when the contract was formed, the perfect tender rule no longer holds. Performance of Sales and Lease Contracts REQUIREMENTS OF PERFORMANCE

2. Chapter 17 Performance of Sales and Lease Contracts (Continued)

3. Chapter 17 Performance of Sales and Lease Contracts (Continued)

4. Chapter 17 Performance and Breach of Sales and Lease Contracts (Continued)

5. Chapter 17 Performance and Breach of Sales and Lease Contracts (Continued)

6. Chapter 17 Breach of Sales and Lease Contracts (Continued)