10. An example of increasing returns to scale is when capital and labor inputs:
(A) both increase 10 percent and output increases 5 percent.
(B) both increase 10 percent and output increases 10 percent.
(C) both increase 5 percent and output increases 10 percent.
(D) do not change and output decreases 5 percent.  

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統計： A(0), B(0), C(1), D(0), E(0) #2857478