Hey i need help with this problem! If you can provide an explanation on how you got the answer thatd help me a lot!

Using the data in the following table, calculate the return for investing in Boeing stock (BA) from January 2 , 2008, to January 2. 2009, and also from January 3, 2011, to January 3,2012, assuming all dividends are reinvested in the stock immediately. Return from January 2, 2008, to January 2. 2009 is \%. (Round to two decimal places.) Return from January 3, 2011, to January 3. 2012 is % (Round to two decimal places.) Data table (Click on the following icon 0 in order to copy its contents into aspreadsheet)