Table:
|  | Amortized Cost | Fair Value |
| --- | --- | --- |
| Due in one year or less | $ 591 | $ 589 |
| Due after one year through five years | 644 | 642 |
| Due after five years through ten years | 455 | 452 |
|  | $ 1,690 | $ 1,683 |
Paragraphs:
The following table presents the contractual maturities of our debt investments as of April 26, 2019 (in millions):
Actual maturities may differ from the contractual maturities because borrowers may have the right to call or prepay certain obligations.
Question:
What was the amortized cost that was due in one year or less as a ratio of the fair value for the same period?
Answer: 591/589 = 1