Which type of warranty provided by a retailer is accounted for as a separate performance obligation? Assume a regular warranty, also called a quality assurance warranty, is provided to each customer who purchases a product, at no additional cost. Assume an extended warranty is optional, is purchased at additional cost to the customer, and provides benefits well beyond that of a regular warranty. Choose the most likely answer.

		a. only an extended warranty
		b. only a regular warranty
		c. both types of warranties
		d. neither type of warranty