Kabayan Bonus 問題

Kabayan MNP 開卡的 Bonus 會係:
Balance (remaining usage): $10
General Bonus: 10 x 4 months
VAS subscription Bonus: 10 x 12 months

請問如果我一開卡就開飛線組合($15/month), 咁個$15係未會喺VAS扣$10,General Bonus扣$5?
而唔係VAS扣$10,Balance扣$5?