a. You take a long position and the stock's price declines to $41.35. $ b. You sell the stock short and the price declines to $41.35. $ c. You take a long position and the price rises to $60.65. $ d. You sell the stock short and the price rises to $60.65. $ percentage gain or loss on this investment? Use a minus sign to enter the amount as a negative value. Round your answer to two decimal places