Use the table to answer the following questions. a. Using the value-added approach, compute the value of GDP. b. Using the income approach, compute the value of GDP. c. Using the expenditure approach, compute the value of GDP. Sales Intermediate goods Wages Rent Interest Quarry 100 ||_____|| 30 20 25 Cement 300 100 60 45 55 Concrete 600 300 100 35 50 Housebuilder 1200 600 300 65 120