At equilibrium in the market of apartments, the consumer surplus is $\textbackslash$ 120,000$ and the producer surplus is $\textbackslash$ 180,000$. The government decide to set a price ceiling. As a result, the consumer surplus becomes $ \textbackslash$ 140,000$ and the producer surplus becomes $\textbackslash$ 140,000$. What is the deadweight loss from the price ceiling? 
选项为:A:$\textbackslash$140,000$  B:$\textbackslash$60,000$  C:$\textbackslash$40,000$  D:$\textbackslash$20,000$  E:$\textbackslash$0$  请回答其中一个选项.