Table:
Gross carrying value	Weighted average estimated life (in years)

Computer software	$9.4	5

Other intangible assets:

Client relationships	19.1	10

Trade names	1.4	3

Non-compete agreements	0.9	5

Other intangible assets	21.4

Total gross carrying value	$30.8

Answer the following question based on the provided table together with the text, produce your answer and, if helpful, briefly explain your calculation. Conclude with JSON: {"answer": ["ANSWER"], "scale": "SCALE"} ("scale" = "" if no unit).

Context:
Estimated Useful Lives of Computer Software and Other Intangible Assets Acquired
As of the acquisition date, the gross carrying value and weighted average estimated useful lives of Computer software and Other intangible assets acquired during the year ended December 31, 2019 consisted of the following (dollars in millions):

Question: What was the difference in the weighted average estimated life between computer software and client relationships in years?

10-5, therefore {"answer": "5", "scale": ""}