Comparing products according to price per ounce is an example of what shopping strategy?

Comparing products according to price per ounce is an example Unit pricing.

Explanation:

Unit pricing is a cost-based pricing method that is widely used for the practicality of calculation at the time of purchase. Thus, a consumer has the freedom to compare products according to the price per ounce, thus allowing the choice of the product with the best price in relation to quality and practicality.

Selling price is the visualization of the strategy by the market and customers - And the ideal process of forming part of the margin that the trader seeks to obtain in sales, goes through the analysis of indicators and fixed expenses until applied to their variable costs.