Breakdown of getsugakuryoukin o kakuninsuru.

Questions & Answers about getsugakuryoukin o kakuninsuru.
It is read:
- 月額料金 → げつがくりょうきん (getsugaku ryōkin)
- を → pronounced お here, even though it is written with the kana を
- 確認する → かくにんする (kakunin suru)
So the full sentence is:
げつがくりょうきんをかくにんする。