Johnny Hunn meets with his physician after experiencing congestion, headache, and a runny nose for the past three days. His employer's group health insurance has a contract for a patient $50.00 co-payment. The physician's standard billing rate for a routine office visit is $175.00. Complete the following journal entry to record the cash received from Johnny Hunn during the office visit. Account Number Description Debit Credit a. Debit of $50.00 b. Credit of $50.00 c. Debit of $175.00 d. Credit of $175.00