Apple is an American technology company headquartered in California. It is the world's largest technology company by revenue, with over $200 billion in annual sales. Apple uses a perpetual inventory system to continuously update inventory records with each sale and purchase. It applies the first-in, first-out (FIFO) cost flow assumption. In 2020, Apple's net sales were $209.8 billion with gross profit of $80.3 billion. Net income was $44.7 billion and earnings per share increased to $10.25. Inventory turnover was 10.3 times with average days in inventory of 35 days. Property, plant and equipment totaled $103.5 billion in 2020, with accumulated depreciation of