A nonprofit hospital had gross patient billings at established rates of $115 million in 2021 (including charity care but before explicit contractual price adjustments and before implicit not expected to be paid). The hospital was subject to contractual price adjustments of $45 million and $4 million of its 2021 services were determined to be charity care. The hospital also has a policy of providing care before determining whether the patient meets charity care thresholds. In 2021, the hospital provided $8 million of services to people not expected to be able to pay at established rates. The hospital reduced these billings by 50%. How much is the hospital's 2021 patient service revenue? O $45 million O $62 million O S70 million O $66 million