Which of the following is an example of an extended warranty that would be accounted for as a separate performance obligation? O a. All of the above Ob. Best Buy offers an affordable warranty that provides additional protection in case the customer damages the item after taking possession of the product O c. Beatz Headphones warrants that its products are free from defects for 1 year after purchase O d. Best Buy promises to make repairs or replace any product found to be defective within a week of purchase Oe. Iggy's Azaleas warrants that its flowers stay fresh for at least a week after delivery