The correct answer is C. Perpetual inventory method.
A perpetual inventory system is a type of inventory management system in which the inventory levels are updated in real time as sales and purchases occur. This allows businesses to have a more accurate view of their inventory levels at all times, which can help them to avoid stockouts and overstocks.
A periodic inventory system is a type of inventory management system in which the inventory levels are only updated at regular intervals, such as once a month or once a quarter. This is less accurate than a perpetual inventory system, but it is less expensive to implement and maintain.
A re-order point valuation method is a method of determining the optimal level of inventory to hold. The re-order point is the level of inventory at which a new order should be placed. This method takes into account the cost of carrying inventory, the cost of ordering inventory, and the demand for the product.
A, B, C analysis technique is a method of analyzing the profitability of different products. This method takes into account the contribution margin of each product, the fixed costs of the business, and the desired profit margin.
In conclusion, the system which gives a continuous information regarding quantum and value of inventory is known as a perpetual inventory method.