The increase was mainly driven by the non-cash item of additional proven provisions for receivables in response to the impact of COVID into customers, and more expenditure on aircraft conformity for EH216-S in its verification process for PEP certification, with reductions in travel and marketing expenses and professional service expenses, etc.

Mar 22, 2023 / CFO / receipt, needs a key / Richard Liu, CFO | earnings call 2023-03-22 | transcript 572932d5-e446-43e8-bbe5-48e875e357ed | chars 28916-29262 | segment 28