Peter opened his restaurant on Jan 1, 2007 but was unsatisfied with one year's profits. Starting Jan 1, 2008 Peter made changes to become more profitable. On Dec 31, 2008, by what percent were the 2008 profits greater than the 2007 profits?
(1) In 2008, his total revenues were twice his total costs.
(2) From 2007 to 2008, Peter increased his revenues by 25%, and decreased his costs by 10%.
(1) In 2008, his total revenues were twice his total costs.
(2) From 2007 to 2008, Peter increased his revenues by 25%, and decreased his costs by 10%.
