The historical stock price of DIRANI Group Inc. is presented in the table below. Assume that Mr. Ziad has conducted the following transactions on DIRANI Group Inc. stock: He buys 4 shares at the beginning of 2018. He buys an additional 4 shares at the beginning of 2019. He sells 2 shares at the beginning of 2020. He sells all 6 shares remaining at the beginning of 2021. 1. What are the arithmetic and geometric average return respectively for Mr. Ziad? * A) 10.7%; 20.5% B) 20.5%; 10.7% C) (20.5%); (10.7%) D) None of the above. 2. What is Mr. Ziads dollar-weighted average return? * A) 6.7% B) 2.1% C) 4.8% D) 3.1% E) None of the above.