Problem: Estimate the cost of equity, WACC, and unlevered cost of equity for Wal-Mart, Incorporated (NYSE: WMT).
Find the beta for Wal-Mart and:
1. Estimate Wal-Mart's cost of equity.
2. Estimate Wal-Mart's weighted-average cost of capital (WACC).
3. Estimate Wal-Mart's unlevered cost of equity.