Credit line 1000, 76.43 should be repaid in this period, and 19.8 is still outstanding.

Before the current billing date, there should be a cash withdrawal from 500 yuan, and the credit card consumption should be 20 1.02 yuan. In the last repayment period, 900 yuan deposited it, but it was still 76.43 yuan after payment. There is a credit card consumption of 19.80 yuan after the billing date, so the total debt (balance) in the current period is 96.23 yuan, and the repayment in the current period is 76.43 yuan.

The accounts are clear, and there is obviously no money.