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 and dexamethasone ear drops are usually used twice a day, about 12 hours apart. Follow your doctor's instructions. Use all of the medication that has been prescribed. Symptoms may begin to improve before the condition is completely treated.