−Removed: Quantitative and Qualitative Disclosures About Market Risk.
−Removed: of April 30, 2021, we had investments in short-term, fixed rate and highly liquid instruments that have historically been reinvested
−Removed: when they mature throughout the year.
−Removed: Although our existing instruments are not considered at risk with respect to changes in interest
−Removed: rates or markets for these instruments, our rate of return on these securities could be affected at the time of reinvestment, if any.
+Added: Quantitative and Qualitative Disclosures
+Added: About Market Risk.
+Added: As of July 31, 2021, we had investments
+Added: in short-term, fixed rate and highly liquid instruments that have historically been reinvested when they mature throughout the year.
+Added: our existing instruments are not considered at risk with respect to changes in interest rates or markets for these instruments, our rate
+Added: of return on these securities could be affected at the time of reinvestment, if any.
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.