The increase in selling and marketing expense from the prior year is due to increased trade shows and sales meetings, advertising and promotional activities, travel expenses and compensation related expenses.

Nov 2, 2022 / CFO / receipt, needs a key / Patrick William, CFO | earnings call 2022-11-02 | transcript 2905ef54-1f0a-445c-81db-3e26a05f056a | chars 12465-12673 | segment 12

The sequential decrease in selling and marketing expense from Q2 2022 is due to decreased marketing, promotion, and advertising expense, partially offset by increased trade shows, sales meetings, compensation, and travel expenses.

Nov 2, 2022 / CFO / receipt, needs a key / Patrick William, CFO | earnings call 2022-11-02 | transcript 2905ef54-1f0a-445c-81db-3e26a05f056a | chars 12674-12904 | segment 13