Original sentence: Petersburg city pays 49% funding for construction of the Okhta Center, on the basis that Gazprom Neft is registered here and is currently the largest taxpayer and a big employer, so the city budget is getting adequate benefits
Edited sentence: Petersburg City pays 49% funding for construction of the Okhta Center, on the basis that Gazprom Neft is registered here and is currently the largest taxpayer and a big employer, so the city budget is getting adequate benefits