31.假設某一經濟體的消費是$2,000,000,投資是$400,000,政府支出是$600,000,稅收為$700,000,出
口是$200,000,進口則為$400,000,則國民所得(GDP)為何?
(A) $2,800,000
(B) $2,700,000
(C) $2,400,000
(D) $2,100,000
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統計: A(150), B(13), C(22), D(69), E(0) #2449676
統計: A(150), B(13), C(22), D(69), E(0) #2449676