The increase in dollar terms was due to the lapping against training costs, short-term pay, and travel reductions experienced in 2020, and a half-million-dollar higher stock compensation expense this year.

Aug 12, 2021 / CFO / receipt, needs a key / Tony Hall, CFO | earnings call 2021-08-12 | transcript f54114c6-d0bb-4c6b-a264-94b74c031c75 | chars 15899-16104 | segment 16