Answer to Puzzle Contest (from the winner):

"The answer is 1531.

The numbers in the problem are upside down:

8960 - 8699 = 261
9600 - 8069 = 1531"

Winner: Joe C., Wayne, PA

Contest Statistics: Newsletter sent to 295585 subscribers, 14 answers submitted, 9 answers correct, 64.29% accuracy. Chance of a correct answer winning: 11.11%.