Table:
|  |  | Fiscal Year Ended |  |  |
| --- | --- | --- | --- | --- |
|  | December 28, 2019 | December 29, 2018 | $ Change | % Change |
|  |  | (Dollars in thousands) |  |  |
| Selling, general and administrative | $106,335 | $99,254 | $7,081 | 7.1 % |
| % of revenues | 18.0 % | 18.7 % |  |  |
|  |  | Fiscal Year Ended |  |  |
|  | December 29, 2018 | December 30, 2017 | $ Change | % Change |
|  |  | (Dollars in thousands) |  |  |
| Selling, general and administrative | $99,254 | $95,489 | $3,765 | 3.9 % |
| % of revenues | 18.7 % | 17.4 % |  |  |
Paragraphs:
Selling, General and Administrative
The increase in selling, general and administrative in fiscal 2019 compared to fiscal 2018 was primarily due to higher variable costs on increased sales volumes, primarily related to increases in headcount costs and employee incentive compensation, as well as additional costs from the FRT acquisition, offset partially by a decrease in the amortization of intangible assets.
Question:
What led to increase in selling, general and administrative in fiscal 2019 compared to fiscal 2018?
Answer: The increase in selling, general and administrative in fiscal 2019 compared to fiscal 2018 was primarily due to higher variable costs on increased sales volumes