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.
4. The part of the ear that amplifies sound vibrations is called the_____. 5. The structure that is situated on the basilar membrane and converts sound vibrations to neural impulses is called the _____ 6. What is the function of the outer ear?_____ 7.