2. If it is known that the price of beef rose from Rp. 100 to Rp. 200. As a result of the increase in the price of beef, the number of requests for mutton increased from 9 to 10 units.

a. What is the cross elasticity of demand for the two goods? Explain also what the meaning of the elasticity value!

b. Based on the value of elasticity that you find, explain how the relationship between item X and the item!

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