25 classes for Amy (February through June)

Amy classes
The previous invoice was for October through January. There were no missed classes in October or November.
December (3 missed)
January (5 missed)
8 missed classes from the last invoice.
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February 5
March 4
April 7
May 8
June 9
33 classes from February through June
minus 8 missed classes
25 classes total for this invoice.