1)What is the average annual compound (geometric) return over two years for a stock that goes from $10.25 to $18.65, then down to $116.02?

2)What is the average arithmetic return over two years for a stock that goes from $10.25 to $18.65, then down to $116.02?

3)A company's stock price increased from $6.72 to 14.65 in three years. Over the same period, the index grew at a compound rate of 15.82%. Did the company perform well, all else being equal? Y or N?