Understanding a company's cost of capital is crucial for making smart business choices. It helps decide if investments will generate enough returns to benefit the firm. This research focuses on pinpointing the cost of capital for various funding sources within a company. By correctly assessing this cost, managers can make better decisions on where to invest their money. The findings emphasize that the cost of capital impacts a firm's value significantly and that considering risks and uncertainties in this analysis is key. The insights from this study and its supporting tools aim to aid managers in enhancing their firm's overall worth.