For each of the following organizational units, indicate whether the unit would most likely be classified as a cost center \((C)\), a revenue center \((R)\), a profit center \((P)\), or an investment center (I):

1. A home cleaning service business 2. A specific Target store 3. Assembly department of a manufacturing company 4. Department of motor vehicles office 5. Battery division of Panasonic 6. Sales staff selling media ads 7. Information technology support department for a manufacturing company 8. Seasonal tax preparation center