Table:
|  | Fair Value | Useful Life |
| --- | --- | --- |
|  | (U.S. $ in thousands) | (years) |
| Developed technology | $35,600 | 5 |
| Customer relationships | 48,600 | 10 |
| Trade name | 3,700 | 5 |
| Total intangible assets subject to amortization | $87,900 |  |
Paragraphs:
The following table sets forth the components of identifiable intangible assets acquired and their estimated useful lives as of the date of acquisition.
The amount recorded for developed technology represents the estimated fair value of OpsGenie’s incident management and alerting technology. The amount recorded for customer relationships represents the fair value of the underlying relationships with OpsGenie customers. The amount recorded for trade name represents the fair value of OpsGenie trade name.
Question:
What is the difference in useful life between developed technology and customer relationships?
Answer: 10-5 = 5