Table:
|  |  | Fiscal |
| --- | --- | --- |
|  | 2019 | 2018 |
|  |  | (in millions) |
| Restructuring and other charges, net | $  48 | $  13 |
| Other items | 1 | — |
| Total | $  49 | $  13 |
Paragraphs:
In the Communications Solutions segment, operating income decreased $79 million in fiscal 2019 as compared to fiscal 2018. The Communications Solutions segment’s operating income included the following:
Excluding these items, operating income decreased in fiscal 2019 due primarily to lower volume.
Question:
Why did operating income decrease in fiscal 2019?
Answer: due primarily to lower volume.