Hello!
Let’s take a look at the paragraph:
“Sometimes increases or decreases in demand are not connected to price. On a stormy night, the Burger Barn may be nearly empty while the phone is ringing off the hook at the Pizza Palace with orders for delivery.”
Based on the main points of this passage (in bold above), it’s clear that the demand for burgers was not influenced by price. In this case, it was the storm that discouraged people from going out to the Burger Barn. Rather, they chose to have pizza delivered directy to their home.
I hope this helps!
