Cost flow matches the unit sold to the unit purchased.
A)Weighted average
B)First-in, first-out (FIFO)c.Last-in, first-out (LIFO)d.Specific identification

Cost Flow

The manner in which costs move through a company's inventory accounts to eventually become cost of goods sold.

Specific Identification

A method of inventory costing where each item in inventory is uniquely identified, allowing for the precise tracking of cost of goods sold and inventory levels.

FIFO

An inventory valuation method which assumes that the first goods purchased or produced are also the first ones sold, also known as "First In, First Out."