
As of today (September 1):
• Cumulative sales: 11 copies
• Cumulative refunds: 2 copies
• Current refund rate: 18.2%
• New sales today: 11 copies
• New refunds today: 2 copies
• Today's change in refund rate: +18.2%
• Additional copies that must be sold and refunded to reach the target: 169 copies
We are 76.8% short of the 95% refund-rate target.
Calculation assumptions: the previous day's figures were zero; the status of existing purchases remains unchanged; all additional future sales are refunded.