Petrobras' business plan for 2007-2011 outlines $87.1 billion in investments across its operations. 56% or $49.3 billion will go towards expanding production in exploration and production (E&P). Key goals include optimizing development of existing reserves and maintaining a minimum reserve to production ratio of 15 years. The plan also details investments in refining and downstream operations, including a $2.5 billion new refinery in Pernambuco, Brazil and $1 billion for upgrading a refinery in Texas, USA. Financial targets include accrued economic profit of $83.4 billion by 2015 and maintaining a debt to capitalization ratio below 30%.