b. The optional pricing strategy (O.P.)
More about optional pricing:
When a company uses optional product pricing, it sets a base product at a lower cost and additional, optional products at a higher price to make up for any losses. Optional products are not required for the base product to function, but they typically improve the customer experience.
The two key components of optional product pricing:
Learn more about pricing here:
https://brainly.com/question/17234963
#SPJ4