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 ophthalmic solution is used to treat bacterial infections of the eye including conjunctivitis (pinkeye; infection of the membrane that covers the outside of the eyeball and the inside of the eyelid) and corneal ulcers (infection and loss of tissue in the clear front part of the eye).