Question

Heaven knows how to put a proper price upon its goods.

Answer 1

Personification would be the answer 

Answer 2

Answer: A) personification.

Explanation: personification is a figure of speech that consists in giving human characteristics to non human objects (or animals), in order to exemplify something or to create an image. In the given sentence we can see a clear example of personification, because it says that heaven (non human object) knows how to put a proper price upon its goods (human characteristic).