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- Multiple Choice Section y by 11:59pm Points 100 Submitting an external tool Available Oct 16 at 12am - Oct 19 at 11:59pm ~ 1 hour 27/50 QUESTION 12 . 1 POINT According to growth accounting studies, which of the following are important contributors to economic growth? Select the correct answer below: investment in physical capital new ways of doing things investment in human capital O all of the above I FEEDBACK Content attribution QUESTION 13 . 1 POINT Using the table below, calculate real GDP (in billions of dollars) in 2006. Round your answer to the nearest tenth. Nominal GDP GDP Deflator Previous (DELL O w T 9 75F