These improvements are largely due to net savings from continued productivity through workforce mix and a reduction in discretionary expenses, including lower travel and office costs.

Dec 21, 2020 / CFO / receipt, needs a key / Helen Chan, CFO | earnings call 2020-12-21 | transcript 6b6aec65-4e79-4e92-b7b1-593ff1d94bfe | chars 10286-10469 | segment 10

The primary drivers include materially lower travel and entertainment costs, reduced spend due to office closures, and lower facility expense, offset in part by higher compensation costs.

Dec 21, 2020 / CFO / receipt, needs a key / Helen Chan, CFO | earnings call 2020-12-21 | transcript 6b6aec65-4e79-4e92-b7b1-593ff1d94bfe | chars 11192-11379 | segment 11

On a GAAP basis, the increase in expenses is from higher professional fees related to the execution of the investment plan, offset by reduced travel and entertainment expenses and lower bad debt expense.

Mar 26, 2020 / CFO / receipt, needs a key / Helen Chan, CFO | earnings call 2020-03-26 | transcript 05465d04-eba8-4aa2-8811-0998bf97deef | chars 11850-12053 | segment 12