A worker has an annual income of $\$40{,}000$ and is charged $20\%$ income tax. He buys electrical goods costing $\$5{,}000$ and a car costing $\$10{,}000$, with $20\%$ sales tax paid on both purchases. What total indirect tax does he pay?
- A$\$3{,}000$
- B$\$5{,}000$
- C$\$8{,}000$
- D$\$11{,}000$