Although appealing to more refined tastes, art as a collectible has not always performed so profitably. assume that in 2015, an auction house sold a statute at auction for a price of $10,426,500. unfortunately for the previous owner, he had purchased it in 2010 at a price of $12,662,500. what was his annual rate of return on this sculpture? (a negative answer should be indicated by a minus sign. do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.) rate of return %