In one year, a government receives the following revenue: taxes on goods = $30\text{ m}$, taxes on income = $500\text{ m}$, taxes on services = $20\text{ m}$, customs and excise duties = $50\text{ m}$. What is the total indirect tax revenue?
- A$30\text{ m}$
- B$70\text{ m}$
- C$100\text{ m}$
- D$500\text{ m}$