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modular programming

Only the sales from your program

were rejected

The transactions.txt file that was sent to the bank contains all
of the day’s sales from both your POS program in the coffee bar and
your friend’s POS program in the gym. This is a section of the file:

This record is from the
coffee bar and was
REJECTED by the bank.

50791428746281510000150 DONUT

00035005002454912715921 WORKOUT
This record is from
the gym and was
ACCEPTED by the

As expected, each record (from each of the POS programs) has been bank.
appended to the transactions file. That bit appears to be working fine.

But, something is not quite right here...

Study the two records carefully. Is there a difference between them that
might explain why one was accepted and the other was rejected? Think
about recent events. What do you think has caused this problem?

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