高危妊娠妇女在胎儿电子监护过程中提示胎儿缺氧最有意义的是（）。

A.晚期减速

B.早期减速

C.变异减速

D.加速

E.胎心基线率110～120次/分

Lincoln Coal is planning a new coal mine, which will cost $ 430000 to build, with the expenditure occurring next year. The mine will bring cash inflows of $ 200000 annually over next seven years. It will then cost $170000 to close down the mine over the following year. Assume all cash flows occur at the end of the year. Alternatively, Lincoln Coal may choose to sell the site today. What minimum price should Lincoln set on the property, given a 16% required rate of return

A．

B．

C．