划价 are the first two characters on the left. After you see a doctor and get your prescription, you need to come here to figure out the dollar amount of your medicine.
划 is a verb here meaning to determine or mark off. 价 means price. The verb used for this fee service can be a different one at other hospitals. Another common expression 批价. But no matter which verb is used before 价, the key word for this service is 价 or price.
收费 is the third and fourth characters from left.