%0 Journal Article %T Assessment of using marginal analysis when forecasting the income of the company %A Sibiryatkin, S.. %K marginal analysis, prediction, income, expenses, sales volume. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov