Use the Information Below to Answer the Following Questions

Multiple Choice

Use the information below to answer the following questions.
Fact 4.3.1 Weak coal prices hit China's third-largest coal miner
The chairman of Yanzhou Coal Mining reported that the recession had decreased the demand for coal, with its sales falling by 11.9 percent, despite a 10.6 percent cut in price.
Source: cbc.ca, February 5, 2014
-The price elasticity of supply of coal at Yanzhou Coal Mining is

A) 1.12.
B) 0.89.
C) 11.2.
D) -1.12.
E) 8.9.