The sentence that makes a logical comparison is:
"Jason has less money now than he did ten years ago."
This sentence clearly compares Jason's current amount of money with the amount he had ten years ago.
Jason has less money now than ten years ago did have.
Jason has less money now than money ten years ago.
Jason has less money now than he did ten years ago.
Jason has less money now than ten years ago.
1 answer
The sentence that makes a logical comparison is:
"Jason has less money now than he did ten years ago."
This sentence clearly compares Jason's current amount of money with the amount he had ten years ago.