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.
Ciprofloxacin hydrochloride ophthalmic is approved for treating eye infections in adults and children. The ointment is approved for use in children as young as two years old, while the liquid eye drop solution is approved for use in children as young as one year old. (For a more in-depth look at using this antibiotic for corneal ulcers and pink eye, click What Is Ciprofloxacin Ophthalmic Used For?.