8 unchanged sentences
The prices for fuel and materials in our inventory are volatile and are impacted by changes in supply and demand, as well as market uncertainty and regional shortages.
−Removed: Historically, we have generally been able to pass along price increases to our customers;
+Added: Historically, we have generally been able to pass along a significant portion of our commodity price risk to our customers;
however, we may be unable to do so in the future.
3 unchanged sentences
We do not currently engage in interest rate derivatives to hedge our interest rate risk.
−Removed: The impact of a 1% increase in interest rates on our variable rate debt would have resulted in an increase in interest expense and corresponding (increase)/decrease in pre‑tax (loss)/income of approximately $0.4 million, $1.3 million and $0.7 million, for the years ended December 31, 2020, 2019 and 2018, respectively.
+Added: The impact of a 1% increase in interest rates on our variable rate debt would have resulted in an increase in interest expense and corresponding (increase)/decrease in pre‑tax (loss)/income of approximately $0, $0.4 million and $1.3 million , for the years ended December 31, 2021, 2020 and 2019, respectively.
Financial instruments that potentially subject us to concentrations of credit risk are trade receivables.
2 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.