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.
For ciprofloxacin ear drops the standard dosage is one single-use container in the infected ear twice daily, about 12 hours apart, for seven days. Each single-use container has the correct amount of medicine needed for one dose. Normally, two containers are used each day.