Answer:
The process of making this decision By the CLASSICAL MODEL of decision making
Explanation:
The classical general equilibrium model was developed in the 18th century within the neoclassical economics and it is related to classical economics.
The classical general equilibrium model aims to describe the economy by taking an aggregate of the behavior of individuals and firms.
Decision taken using this Method is usually based on what the eyes are seeing. Facts.
From the text, Ola buys new bikinis weekly based on the designs the customers are buying more. He decides on what to buy for the new week by looking at the designs that his customers went for the previous week. This is a clear case of Classical model of Decision making.