Homespar is an e-commerce site that sells home dcor and kitchenware. It sources all its wooden articles, such as coasters, serving trays, and photo frames, from a rural carpentry firm because the firm charges much lower prices than other carpentry firms. The firm is also reliable in terms of quality and delivery time. In the context of the specific environment, which of the following concepts does this scenario best illustrate? a. Supplier dependence b. Path dependence c. Buyer dependence d. Internal dependence