25. Serbann economy can be characterized by the production function: ， with a capital stock of $4,000 billion and current net investment of $200 billion. Therefore,
(A) if the growth rate of autonomous factors is zero and the growth rate of labor and capital is 0.01 and
0.04 respectively, then the current growth rate of per person output is 0.02.
(B) if the growth rate of autonomous factors is zero and the growth rate of labor and capital is 0.01 and
0.04 respectively, then the current growth rate of per person output is 0.01. This is not a steady-state
situation.
(C) if the government wanted to increase the growth rate per person output by an extra percentage
through subsidy policies that affected capital growth alone, thus it would have to raise investment by
$100 billion.
(D) if the government wanted to increase the growth rate per person output by an extra percentage
through subsidy policies that affected capital growth alone, thus it would have to raise investment by
40%.

(E) None of the above.