Cost-benefit analysis of the project-cost-benefit analysis for the purposes of information support management in making business decisions. New approaches in cost and management accounting. Stategijski approach to management costs. The actual, planned and standard costs. The process of planning costs. Standardization of direct and indirect costs of flexible-spending plan production. Business decisions based on marginal costs. The formation of market prices in different market conditions. Calculation of costs and prices. Cost estimate based on an analysis of return-breakpoint graph of profitability. Cost Control-preventive and corrective control costs. New concepts and practices of management cost management. The application of simulation methods in planning and cost control. Information support planning and cost control.