题目内容：
【单选题】The followinginformation pertains to Moore Company:
Totalassets $50,000
Totalcurrent liabilities 30,000
Totalexpenses 60,000
Totalliabilities 35,000
Totalrevenues 80,000
If invested capital is defined as totalassets, and the imputed interest rate is 8%, the residual income is:
A、$4,000
B、$16,000
C、$20,000
D、$1,600
参考答案：