This image shows a CPA Core 1 study note from GevorgCPA.com explaining how to calculate cost of capital at a specific point in time, covering the four required inputs of current costs of debt, current costs of equity, weighting of each source in the current capital structure, and the income tax rate, the WACC formula highlighted in teal, a practical example showing how a company with three debt sources and two equity sources requires individual cost and weighting calculations for all five financing types, and the principle that cost of capital is based on current market values and market yields not book values or historical rates, relevant to CPA Core 1 candidates studying finance.