The Obstacle:

Picture this: you spend $800 on a cow and make $1,000 when you sell it. After some time has passed, you reinvest $1100 in the cow and make $1300 from its sale. In all, how much money did you earn?
A Math Puzzle for the Inquisitive Mind: The Cow

An excellent brain teaser, this cow-themed arithmetic riddle has been circulating online. We should get in and figure it out together.

The Obstacle:

Picture this: you spend $800 on a cow and make $1,000 when you sell it. After some time has passed, you reinvest $1100 in the cow and make $1300 from its sale. In all, how much money did you earn?