Please answer the question posted in the image

Match each of the terms below with an example that fits the term. a. fungibility the production of gasoline b. inelasticity the switch from coffee to tea c. non-excludability the provision of national defense d. substitution the demand for cigarettes

Asmartphone manufacturing company uses social media to achieve different business objectives. match each social media activity of the company to the objective it the company achieve.

Atrough in the business cycle occurs when