The article presents a case study of valuation of real options included in a investment project. The main goal of the article is to present the calculation and methodological issues of application the methodology for real option valuation. In order to do it there are used the binomial model and Market Asset Declaimer methodology. https://www.bekindtopets.com/limited-value-Microline-S1229RS-TFC-RO-Membrane-35-50-gpd-mega-choice/