The correct answer is Option 4. Explanation & Key Takeaways: Theory of industrial location - Alfred Weber • Alfred Weber's theory of industrial location, also known as the least-cost theory, emphasizes the balance of several factors, including the cost of raw materials, labor, and transportation. • Weber's theory posits that industries are located where they can minimize their costs, and therefore maximize their profits. He identified three critical factors that influence the cost of production and thus the location of industries: • Transportation: This is the most important single consideration in Weber's theory. Industries would be located where the cost of transporting raw materials and finished goods to the market is the least. This is why option 4 is the most accurate among the choices provided. • Labor cost: While labor cost is important, Weber argued that this factor could be less significant if the savings from cheaper labor are offset by increased transport costs. • Agglomeration and Deglomeration: When several industries cluster in one area to share the benefits of shared infrastructure and services, it's called agglomeration. However, if the area becomes too crowded and costs increase, some industries may move away, a process known as deglomeration. • So, while Weber's theory takes into account the cost of raw materials, labor, and market accessibility, it places the most emphasis on transportation costs. Therefore, the answer to your question is option 4.