Forty measures of grain cost 2,400 rupees, but only thirty-two exist.
Price per measure: 2,400 ÷ 40 = 60.
Price for 32: 32 × 60 = 1,920 rupees.
The buyer may accept the 32 at 1,920 or rescind. A calculable refund does not eliminate the option to reject incomplete performance.
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Kitab al-Buyu: Shortage, Surplus, Buyer Options and Price Allocation
Forty measures of grain cost 2,400 rupees, but only thirty-two exist.
Price per measure: 2,400 ÷ 40 = 60.
Price for 32: 32 × 60 = 1,920 rupees.
The buyer may accept the 32 at 1,920 or rescind. A calculable refund does not eliminate the option to reject incomplete performance.