We then subtract the cost of goods sold ($126,520 m) from total revenues ($144,077 m) to obtain a gross profit of $17,577 m. To obtain the gross profit margin, we divide the gross profit ($17,577 m) by total revenues ($144,077) for a margin of 12.20%.
Outer ear. The outer ear is the external portion of the ear, which consists of the auricle (also pinna) and the ear canal. It gathers sound energy and focuses it on the eardrum (tympanic membrane). Contents.
What are the two functions of the inner ear? The two functions of the inner ear are hearing and balance. The inner ear is made up of specialized parts which help the brain determine motion, body position and sound. The inner ear, outer ear and middle ear work together to provide the sense of hearing.