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.
Basically the ear's function is to turn sound waves into waves in the fluid of the inner ear, and then into neural impulses that are transmitted to the brain. This process is accomplished by a series of mechanical operations. As you read the text, try to answer the following questions.