[Solved] If the average rate of return of an equipment that costs $5,000 is 25 percent, its savings per year is ________. A) $250 B) $1,250 C) $500 D) $5,000 Arterial changes: Modifications or alterations in the arteries, often related to aging, disease processes, or lifestyle factors, affecting blood flow and cardiovascular health. Sinoatrial Node: A group of cells in the right atrium of the heart that initiates the electrical impulses determining the heart rate, often called the heart's natural pacemaker. Atherosclerotic Changes: Alterations in blood vessels characterized by the accumulation of fatty deposits along their inner walls. Internal Bleeding: Bleeding within the body that can result from injury or illness, potentially leading to serious health complications without immediate treatment.