A medical assistant is posting payments to patient accounts at a clinic. A patient made a payment of $150, which includes a $100 payment towards the deductible and a $50 copayment. How should the medical assistant correctly post this transaction in the patient's account?
Post $150 to the copayment, overpaying the copayment amount.
Post $100 to the deductible and $50 to the copayment.
Post $150 to future services as a prepayment, ensuring coverage for upcoming appointments.
Apply $75 to the deductible and $75 to the copayment, evenly splitting the payment.