Prista Oil Rally Team signed a partnership contract with the team of four-time world rally champion Tommi Makinen, left. With Makinen’s involvement, Prista Oil hopes to make its drivers competitive on a European level, the chairperson of the company’s managing board, Plamen Bobokov, centre, said. Kroum Donchev, right, Prista Oil’s top driver also attended the ceremony in Sofia’s Hilton Hotel on March 17. Rousse-based Prista Oil has been investing in the motor sport for 11 years. 'We have become leaders in the south-eastern championship and now we are eyeing the top position in Eastern Europe, and then Europe-wide,' Bobokov said. The team budget for 2008 is one million euro.