Requirement Overview:
* A product must be priced as 10% of the total fixed-priced products on the Quote.
Solution Details:
* Option A:
* Setting the Pricing Method to Percent of Total ensures the price is calculated as a percentage of the total value of other products.
* The Subscription Pricing is left blank since it is not a subscription product.
* Option D:
* Set the Pricing Method to List and Subscription Pricing to Percent of Total to achieve the same result with flexibility for subscription-based products.