After weeks of political wrangling, Chile's Finance Minister unveiled changes to a tax reform bill late on Tuesday, including a larger increase in the corporate tax rate in exchange for concessions opposition lawmakers called for. _0"> The reform, a centerpiece of President Michelle Bachelet's administration, maintained an overall goal of increasing tax revenue by $8.2 billion, equivalent to 3 percent of gross domestic product. Corporate taxes will now gradually increase to 27 percent by 2017 from a current 20 percent, according to the agreement between the minister and the Senate's five-member Finance Committee. In the bill as initially presented to Congress, corporate taxes were to increase to 25 percent. "We've reached a historic agreement ... we've managed to move forward on the most complex and profound tax reform in the last 30 years," said Finance Minister Alberto Arenas from Congress in the port city of Valparaiso. With the tax reform