Select the example below that could be categorized as own-price elasticity.

• When the price of colombiano coffee goes up, people purchase guatemalteco coffee instead.
• When the price of gasoline goes up, people purchase fewer large vehicles.
• Tim's favorite brand of tools are marked down 50%, so he buys twice as many.
• Since Tanya got a new job, she was able to buy a new car and get rid of the old one.