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.
The function of the inner ear is to change the sound intensity into electrical signals that the brain processes. The inner ear consists of organs for both hearing (cochlea) and balance (vestibular system). The cochlea is a spiral-shaped chamber within the inner ear that transforms sound waves into nerve impulses.