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What were operating expenses for research and development?

Operating expenses: Research and development 10,887 8,268 Selling, general and administrative 7,492 7,175 Total operating expenses 18,379 15,443 Operating Expenses Operating expenses for the three months ended December 27, 2025 and December 28, 2024, were as follows (dollars in millions): Three Months Ended December 27, December 28, 2025 2024 Change Research and development $ 10,887 $ 8,268 32 % Percentage of total net sales 8% 7% Selling, general and administrative $ 7,492 $ 7,175 4 % Percentage of total net sales 5% 6% Total operating expenses $ 18,379 $ 15,443 19 % Percentage of total net sales 13% 12% Operating Expenses Operating expenses for 2025, 2024 and 2023 were as follows (dollars in millions): 2025 Change 2024 Change 2023 Research and development $ 34,550 10 % $ 31,370 5 % $ 29,915 Percentage of total net sales 8% 8% 8% Selling, general and administrative $ 27,601 6 % $ 26,097 5 % $ 24,932 Percentage of total net sales 7% 7% 7% Total operating expenses $ 62,151 8 % $ 57,467 5 % $ 54,847 Percentage of total net sales 15% 15% 14%

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