Mike and Jenny are friends who love mangoes so much that they planted 4 trees each in their back yard four years ago. They buy mangoes from the grocery store whenever they go for shopping and also consume the mangoes that are produced by the trees in their back yard. Which of the following statement based on the above scenario is correct? a. Only the mangoes produced by the trees in their back yard are included in GDP. b. Only the mangoes purchased by them from the grocery store are included in GDP. c. Both the mangoes purchased from the grocery store and produced by the trees in their back yard are included in the GDP. d. Mangoes produced by the trees in their backyard will be included in the GDP of four years ago