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.
Which part of the ear acts as the sound collector? The outer ear, the visible flap of skin protruding from the head, is called the pinna, or auricle. Whilst some animals have an ability to direct their pinna, the range of moâ¦vement control by humans is very small, or absent for most folk.