Year Ended May 31,
(in millions)
2019
2018
2017
Cloud and license:
revenues (1)
$32,582
$32,041
$30,452
Cloud services and license support expenses
3,597
3,441
2,881
Sales and marketing expenses
7,398
7,213
6,770
Margin (2)
$21,587
$21,387
$20,801
Hardware:
revenues
$3,704
$3,994
$4,152
Hardware products and support expenses
1,327
1,547
1,618
Sales and marketing expenses
520
643
825
Margin (2)
$1,857
$1,804
$1,709
Services:
revenues
$3,240
$3,395
$3,359
Services expenses
2,703
2,729
2,661
Margin (2)
$537
$666
$698
Totals:
revenues (1)
$39,526
$39,430
$37,963
Expenses
15,545
15,573
14,755
Margin (2)
$23,981
$23,857
$23,208

text: The following table presents summary results for each of our three businesses for each of fiscal 2019 , 2018 and 2017 :
text: (1) Cloud and license revenues presented for management reporting included revenues related to cloud and license obligations that would have otherwise been recorded by the acquired businesses as independent entities but were not recognized in our consolidated statements of operations for the periods presented due to business combination accounting requirements. See Note 9 for an explanation of these adjustments and the table below for a reconciliation of our total operating segment revenues to our total consolidated revenues as reported in our consolidated statements of operations
text: (2) The margins reported reflect only the direct controllable costs of each line of business and do not include allocations of product development, general and administrative and certain other allocable expenses, net. Additionally, the margins reported above do not reflect amortization of intangible assets, acquisition related and other expenses, restructuring expenses, stock-based compensation, interest expense or non-operating income, net. refer to the table below for a reconciliation of our total margin for operating segments to our income before provision for income taxes as reported per our consolidated statements of operations.

Questions:
question: What was the percentage change in hardware revenues from 2017 to 2018?
answer: -3.81
derivation: (3,994-4,152)/4,152 
scale: percent
question: How much was the total revenue for cloud and license business and services business in 2019?
answer: 35822
derivation: 3,240+32,582 
scale: million
question: What was the difference in total expenses in 2019 and 2017?
answer: 790
derivation: 15,545 - 14,755 
scale: million
question: Do the margins reported reflect amortization of intangible assets?
answer: Additionally, the margins reported above do not reflect amortization of intangible assets
question: Why were revenues related to cloud and license obligations not recognized in the consolidated statements of operations for the periods presented?
answer: Cloud and license revenues presented for management reporting included revenues related to cloud and license obligations that would have otherwise been recorded by the acquired businesses as independent entities but were not recognized in our consolidated statements of operations for the periods presented due to business combination accounting requirements
question: Which note can one refer to for an explanation of adjustments made?
answer: See Note 9 for an explanation of these adjustments and the table below for a reconciliation of our total operating segment revenues to our total consolidated revenues as reported in our consolidated statements of operations