What is the point of the value chain model?

Group of answer choices

A manager can use the value chain to assess what functions are non-essential to an organization

A manager can use the tool to divide the firm into its various activities, and assess for the cost added (and contribution to increased Willingness to Pay)for each activity

A managercan use the tool to evaluate if a resource is valuable to the firm

A manager can use the tool to gagecompetitors' reactions