A worker receives $\$40\,000$ per year and is charged $20\%$ income tax. He buys electrical goods worth $\$5000$ and a car for $\$10\,000$, with $20\%$ sales tax added to each purchase. What total indirect tax does he pay?
- A$\$3000$
- B$\$5000$
- C$\$8000$
- D$\$11\,000$