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2. Suppose you start with Rs. 0 in your bank account, and then you have debits of Rs. 1,
2, 4, 8, 16, 32, 64, and 128, and then a single credit of Rs. 256. What is your bank account
balance now?
3. Why is it generally better to try and maintain a positive balance in your bank account?
What are circumstances under which it may be worthwhile to temporarily have a negative
balance?
