Suppose that for the economy of​ Utopia, we have the following information for​ 2018: consumption expenditures​ = $5,000; wages​ = $3,500; gross private domestic investment​ = $1,200; government expenditures​ = $2,000; exports​ = $900; imports​ = $1,100. Using the expenditure approach what would the Gross Domestic Product​ (GDP) be for Utopia in​ 2018?