[Solved] Two systems are used in accounting for inventory-perpetual and periodic. Which of the following statements is correct? A) In a perpetual inventory system, the inventory account is not changed for each purchase during the accounting period. B) In a perpetual inventory system, cost of goods sold is recorded at the time of each sale during the accounting period. C) In a periodic inventory system, cost of goods sold is developed from a comparison of beginning inventory and ending inventory only. D) In a periodic inventory system, the inventory account is increased for each purchase during the accounting period. Eosinophil: A type of white blood cell involved in allergic reactions and the defense against parasitic infections. Micrographs: Photographic or digital images taken using a microscope to magnify objects that are too small to be seen by the naked eye. Megakaryocyte: A large bone marrow cell responsible for the production of blood thrombocytes (platelets), which are necessary for blood clotting. Monocyte: A monocyte is a type of white blood cell part of the human body's immune system that fights off viruses, bacteria, and fungi; these cells can differentiate into macrophages and dendritic cells.