By Christian Kraemer BERLIN (Reuters) – The German government is likely to insist companies that benefit from a planned “brake” on gas prices meet conditions, such as staying in the country or preserving 90% of the jobs they provide for a year, sources familiar with matter told Reuters. Berlin last month set out an energy relief package, including a gas price brake and a cut in fuel sales tax to help households and small and medium-sized business (SMEs). The brake, which sets a certain price, differs from attempts to cap market prices, a measure the European Union has debated for weeks and bee…