During the project scope planning process, the work breakdown structure should be developed to ______ .

A．the sub-project level

B．the level determined by the project office

C．a level allowing for adequate estimates

D．the cost center level

公司今年年末预期支付每股股利4元，从明年起股利按每年10%的速度持续增长。如果必要收益率是15%，那么，该公司股票今年年初的内在价值等于80元。( )