This document provides information about calculating the cost of capital. It defines cost of capital as the combined cost of equity, preference shares, debt, and retained earnings. It then discusses how to calculate the cost of different sources of financing like debt, preference shares, equity and term loans. It explains different approaches to calculate cost of equity like dividend price approach, dividend plus growth approach, earnings price ratio approach, and capital asset pricing model. Finally, it discusses weighted average cost of capital (WACC) and some of its limitations.