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%.

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