如下图所示，在U形管中部d处装有半透膜，在a侧加入细胞色素c(相对分子质量为1.3万道尔顿的蛋白质)水溶液(红色)，b侧加入清水，并使a、b两侧液面高度一致，经一段时间后，实验结果将是

A．a、b两液面高度一致，b侧为无色

B．a、b两液面高度一致，b侧为红色

C．a液面低于b液面，b侧为红色

D．a液面高于b液面，b侧为无色

A capital lease requires rental payment of $2000 annually. Fair value of the leased equipment at inception of the lease is $10000 and the implicit interest rate is 12 percent. If the present value of the lease equals the fair value of the equipment at inception of the lease, the interest expense recorded by the lessee in the second year of the lease is closest to:（）

A. $1056.

B. $1104.

C. $1200.