Table:
| (In millions, except per share amounts) |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- |
| Quarter Ended | September 30 | December 31 | March 31 | June 30 | Total |
| Fiscal Year 2019 |  |  |  |  |  |
| Revenue | $  29,084 | $  32,471 | $  30,571 | $  33,717 | $  125,843 |
| Gross margin | 19,179 | 20,048 | 20,401 | 23,305 | 82,933 |
| Operating income | 9,955 | 10,258 | 10,341 | 12,405 | 42,959 |
| Net income (a) | 8,824 | 8,420 | 8,809 | 13,187 | 39,240 |
| Basic earnings per share | 1.15 | 1.09 | 1.15 | 1.72 | 5.11 |
| Diluted earnings per share (b) | 1.14 | 1.08 | 1.14 | 1.71 | 5.06 |
| Fiscal Year 2018 |  |  |  |  |  |
| Revenue | $  24,538 | $ 28,918 | $ 26,819 | $ 30,085 | $ 110,360 |
| Gross margin | 16,260 | 17,854 | 17,550 | 20,343 | 72,007 |
| Operating income | 7,708 | 8,679 | 8,292 | 10,379 | 35,058 |
| Net income (loss) (c) | 6,576 | (6,302) | 7,424 | 8,873 | 16,571 |
| Basic earnings (loss) per share | 0.85 | (0.82) | 0.96 | 1.15 | 2.15 |
| Diluted earnings (loss) per share (d) | 0.84 | (0.82) | 0.95 | 1.14 | 2.13 |
Paragraphs:
NOTE 21 — QUARTERLY INFORMATION (UNAUDITED)
(a) Reflects the $157 million net charge related to the enactment of the TCJA for the second quarter and the $2.6 billion net income tax benefit related to the intangible property transfers for the fourth quarter, which together increased net income by $2.4 billion for fiscal year 2019. See Note 12 – Income Taxes for further information.
(b) Reflects the net charge related to the enactment of the TCJA and the net income tax benefit related to the intangible property transfers, which decreased (increased) diluted EPS $0.02 for the second quarter, $(0.34) for the fourth quarter, and $(0.31) for fiscal year 2019.
(c) Reflects the net charge (benefit) related to the enactment of the TCJA of $13.8 billion for the second quarter, $(104) million for the fourth quarter, and $13.7 billion for fiscal year 2018.
(d) Reflects the net charge (benefit) related to the enactment of the TCJA, which decreased (increased) diluted EPS $1.78 for the second quarter, $(0.01) for the fourth quarter, and $1.75 for fiscal year 2018.
Question:
What does Note 21 cover?
Answer: QUARTERLY INFORMATION (UNAUDITED)