What is the WACC with 80% equity at 8% and 20% debt at 8%, taxed at 21%?
7.66%
With 80% equity costing 8% and 20% debt costing 8% before a 21% tax shield, the weighted average cost of capital is 7.66%.
How it is worked out
Weight each source of capital by its share of the total, then blend the costs. Debt is multiplied by (1 − tax rate) because interest is deductible; equity is not.
(80% × 8%) + (20% × 8% × (1 − 21%)) = 7.66%
The tax shield takes debt's effective cost from 8% to 6.32%.
Open the full WACC calculator to use your own figures.
Similar questions
- 80/20 · 8% / 8% · 25% tax = 7.6%
- 80/20 · 8% / 6% · 21% tax = 7.35%
- 80/20 · 8% / 6% · 25% tax = 7.3%
- 80/20 · 8% / 5% · 21% tax = 7.19%
- 80/20 · 8% / 5% · 25% tax = 7.15%
- 80/20 · 10% / 5% · 21% tax = 8.79%
Questions
- What is the WACC with 80% equity at 8% and 20% debt at 8%, taxed at 21%?
- With 80% equity costing 8% and 20% debt costing 8% before a 21% tax shield, the weighted average cost of capital is 7.66%. (80% × 8%) + (20% × 8% × (1 − 21%)) = 7.66%.
- How is this worked out?
- Weight each source of capital by its share of the total, then blend the costs. Debt is multiplied by (1 − tax rate) because interest is deductible; equity is not.
- Can I use my own figures?
- Yes — the WACC calculator takes any values and shows the full result.