Which of the followingexamplesdemonstrates the law of demand?

Group of answer choices

Mary buys fewerMilky Waysat $0.80 perMilky Wayafter the price of Snickers falls to $0.70 per Snicker.

Kelvin buys more donuts at $0.80 per donut than at $0.95 per donut, other things equal.

Amy buys fewer muffins at $2.00 per muffin than at $3.50 per muffin, other things equal.

AfterMark got a raise at work, he bought more cookies at $2.50 per cookie than he did before his raise.

There are other problems like this so I need to make sure you guys confirm it is the exact problem