elusive intricacies of Russian politics

On my last day in Russia I got lucky. I bought Andrei Kolesnikov's latest book "The First Ukrainian(Front). Notes from the Frontline" which is devoted to the Orange Revolution.
The book mostly contains his Kommersant columns but also it includes some info that was not published at the time. From the exceprt below you might get an idea why:

After the first round of the Kuchma-Putin meeting with businessmen from both countries at Yalta, one Russian businessman told that they had been summoned for a secret meeting whereupon they were told how much each of them should contribute to Yanukovych's campaign. The source told me that the sum was meticuously calculated, depending on the size of each participant's business....