How to charge for Unicom Health Card 99 yuan Package when the flow exceeds?

Health Card 99 yuan Package (discontinued) monthly fee of 99 yuan. The package includes 6GB national traffic +600 minutes domestic voice+micro doctor svip. Beyond the package, domestic traffic 10 yuan /GB, domestic voice 0. 1 yuan/minute, SMS 0. 1 yuan/message. There is no charge for domestic answering, including caller ID.