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 inner ear is the most distal part of the ear, housing the vestibulocochlear organs. It has two main functions: To convert mechanical signals from the middle ear into electrical signals, which can transfer information to the auditory pathway in the brain. To maintain balance by detecting position and motion.