Answer:
The price elasticity of demand is -10
Step-by-step explanation:
Given


Solving (a): The coefficient of price elasticity of demand (k)
This is calculated as:

So, we have:



<em>Because |k| > 0, then we can conclude that the company made a wise decision.</em>
The answer is -28
hope this helps :)
(can you please mark me as brainliest?)
Table:
x 0,1
y -2,0
Graph is the attached image.