Table:
0
A
B
C
D
1
($ in millions)
2
For the year ended December 31:
2019
2018
Yr.-to-Yr. Percent Change
3
Selling, general and administrative expense
4
Selling, general and administrative—other
$17,099
$16,438
4.0%
5
Advertising and promotional expense
1,647
1,466
12.3
6
Workforce rebalancing charges
555
598
(7.2)
7
Amortization of acquired intangible assets
762
435
74.9
8
Stock-based compensation
453
361
25.2
9
Bad debt expense
89
67
32.5
10
Total consolidated selling, general and administrative expense
$20,604
$19,366
6.4%
11
Non-operating adjustments
12
Amortization of acquired intangible assets
(762)
(435)
74.9
13
Acquisition-related charges
(282)
(15)
NM
14
Operating (non-GAAP) selling, general and administrative expense
$19,560
$18,915
3.4%

Questions and formulas:
Question: What was the increase / (decrease) in the Selling, general and administrative—other from 2018 to 2019?
Formula: B4 - C4
Formula2: B4 - C4
Level: Calculation
Question: What was the average of Advertising and promotional expense?
Formula: (B5 + C5) / 2
Formula2: (B5 + C5) / 2
Level: Calculation
Question: What is the increase / (decrease) in the Stock-based compensation from 2018 to 2019?
Formula: B8 - C8
Formula2: B8 - C8
Level: Calculation