Table:
|  | December 31, |  |
| --- | --- | --- |
|  | 2019 | 2018 |
| Internally developed software | $808.2 | $746.0 |
| Purchased software | 78.9 | 60.7 |
| Computer software | 887.1 | 806.7 |
| Accumulated amortization | (481.1) | (401.1) |
| Computer software, net | $406.0 | $405.6 |
Paragraphs:
(8) Computer Software
Computer software, net consists of the following (in millions):
In the fourth quarter of 2019, we entered into agreements to acquire software in exchange for a combination of cash consideration and certain of our products and services. The software was acquired for $32.0 million, of which software valued at $6.5 million was received as of December 31, 2019 and resulted in non-cash investing activity of $4.8 million.
Question:
What was the change in purchased software between 2018 and 2019?
Answer: 78.9-60.7 = 18.2