An investor buys one share of stock for $100. At the end of year one she buys three more shares at $ 89 per share. At the end of year two she sells all four shares for $ 98 each. The stock paid a dividend of $1.00 per share at the end of year one and year two. What is the investor’s time-weighted rate of return（）

A. 6.35%.

B. -2.0%.

C. 0.06%.

监事会的职责有（）。

Ⅰ．对公司董事和高管的行为是否符合法律法规进行监督

Ⅱ．对公司董事和高管公司章程的规定行使监督权力

Ⅲ．修改公司章程

Ⅳ．聘任和解聘公司高级管理人员

A.Ⅰ、Ⅱ

B.Ⅰ、Ⅲ、Ⅳ

C.Ⅰ、Ⅱ、Ⅳ

D.Ⅰ、Ⅱ、Ⅲ、Ⅳ