Please help “The Price Isn’t Always Right”

Part A

How does the author develop the central idea that the reasons for the price variance can depend on emotions as well as logic?

The author discusses the influence of perceived value.

The author analyzed two different systems of taxation.

The author goes into factors such as consumer earnings and the price of necessities.

The authors says that over time, prices for grades hoses are falling in Germany.

Part B

Which sentence from the text best supports the idea in part A?

“As more people gain internet access, they’re reasearching items prices in other countries.”

“People in Germany just think a garden hose is worth more than people in the United States.”

“These extra costs to businesses get passed along to the consumer in the form of higher prices.”

“One of Germany’s... policies is to collect taxes in many stages during the production of items.”