How to charge for one card and two services in Guangdong 4G Hong Kong?

Guangdong 4G Hong Kong One Card No.2 Service Monthly Fee 18.8 yuan. When roaming to Hong Kong and using Hong Kong Hutchison Network ("3HK" or "3(2)" or "3(3)"), the following rates apply:

1, calling local number 0.28 yuan/minute, calling Chinese mainland number 0.48 yuan/minute, calling Macau or Taiwan Province province number 3. 18 yuan/minute, calling international number 8.8 yuan, calling 0.28 yuan/minute;

2. Sending short messages to China (excluding Taiwan, Hong Kong and Macao) is 0.28 yuan/piece, sending international short messages and short messages to Taiwan, Hong Kong and Macao is 0.98 yuan/piece, and receiving short messages is free.