There is no universally accepted definition of a percentile. Using the 65th percentile as an example, the 65th percentile can be defined as the lowest score that is greater than 65% of the scores. This is the way we defined it above and we will call this Definition 1..
b. The perpetual inventory system updates inventory records at the end of a period. c. The periodic inventory system updates inventory at the end of a period. d. The perpetual inventory system continually updates inventory records. e. Both C and D are true statements.
Average costing method in perpetual inventory system: When average costing method is used in a perpetual inventory system, an average unit cost figure is computed each time a purchase is made. This average unit cost figure is then used to assign cost to each unit sold until a new purchase is made. This technique is also referred to as moving average method.