Item 7A. Quantitative and Qualitative Disclosures About Market Risk
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
 
Our exposure to changes in interest rates results from our borrowing activities. In the event interest rates were to move by 1%, our yearly interest expense would increase or decrease by approximately $0.4 million assuming our average borrowing levels remained constant. As of March 25, 2023, $80.0 million was available under our revolving credit facility, of which $42.7 million was outstanding and included in long-term debt on the Consolidated Balance Sheets. As described above under “Liquidity and Capital Resources,” we also have a $15.0 million (original principal) term loan. The 2018 Term Loan is considered a fixed interest rate loan. As of March 25, 2023, $6.4 million was outstanding on the 2018 Term Loan and was included in long-term debt and current portion of long-term debt on the Consolidated Balance Sheets. The 2018 Term Loan requires total (principal and interest) repayments of $0.2 million per month.
 
At our option, we borrow from our revolving credit facility at the variable one-month LIBOR or at a fixed rate for a designated period at the LIBOR (subject to a 1.0% floor during the first quarter of fiscal year 2022 and a 0.25% floor for subsequent periods) corresponding to such period, in each case, plus a margin. Our interest rate margin is determined on a quarterly basis based upon our calculated leverage ratio. Our interest rate during fiscal year 2023 for our revolving credit facility ranged from 1.6% to 6.5%. Interest on outstanding borrowings on the 2018 Term Loan accrued at a fixed rate of 4.15% over the term of the loan during the first quarter of fiscal year 2022 and 3.90% over the term of the loan for subsequent periods. Our revolving credit facility includes a mechanism for adoption of a different benchmark rate upon the discontinuation of LIBOR. On March 25, 2023, we had no hedging arrangements in place for our revolving credit facility to limit our exposure to upward movements in interest rates.
 
FOREIGN CURRENCY
 
Approximately 90% of our total revenues for each of fiscal years 2023 and 2022 were denominated in U.S. dollars, with the remainder denominated in Canadian dollars and Euros. A 10% change in the value of the Canadian dollar to the U.S. dollar and the Euro to the U.S. dollar would impact our revenue by approximately 1%. We monitor the relationship between the U.S. and Canadian currencies and the U.S. and Euro currencies on a monthly basis and adjust sales prices for products and services sold in Canadian dollars or Euros as we believe to be appropriate.
 
We continually utilize short-term foreign exchange forward contracts to reduce the risk that future earnings denominated in Canadian dollars would be adversely affected by changes in currency exchange rates. We do not apply hedge accounting and therefore the net change in the fair value of the contracts, which totaled a gain of $0.4 million and a loss of less than $0.1 million during fiscal year 2023 and 2022, respectively, was recognized as a component of other expense in the Consolidated Statements of Income. The change in the fair value of the contracts is offset by the change in fair value on the underlying accounts receivables denominated in Canadian dollars being hedged. On March 25, 2023, we had a foreign exchange contract, which matured in April 2023, outstanding in the notional amount of $2.5 million. The foreign exchange contract was renewed in April 2023 and continues to be in place. We do not use hedging arrangements for speculative purposes.
 
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