The world has twice as much shipbuilding _______ as it needed in the 1980s.

A．capacity

B．potential

C．ability

D．possibility

某企业年初投资3000万元，10年内等额回收本利，若基准收益率为8%，则每年年末应回收的资金是( )万元。已知：(A/F,8%,10)=0.069；(A/P，8%,10)=0.149;(P/F,8%,10)=2.159。

A．300

B．447

C．207

D．407