Variable Cost per Unit = $54,000 Ã· 18,000 units = $3. The variable cost per unit is $3. The fixed cost will be the same at both the highest and lowest levels of production because fixed costs don't change.
Ciprofloxacin is available only by prescription and is used to treat certain bacterial infections. It comes in a variety of strengths and forms, including eye drops and ear drops. Ciprofloxacin ophthalmic (eye) drops are used for treating bacterial conjunctivitis (also called  pink eye ) and corneal ulcers.
Ciprodex should be avoided in patients with a history of hypersensitivity to ciprofloxacin or other quinolones and should not be used to treat viral infections. Ciprodex is typically given twice a day in each infected ear, 4 drops per ear, for as long as prescribed by the doctor (usually 7 days).