Cost flow is in the order in which the costs were incurred.
A)Weighted average
B)First-in, first-out (FIFO)c.Last-in, first-out (LIFO)d.Specific identification

Cost Flow Assumptions

Refers to the methods used to determine the cost of inventory sold and remaining inventory value, including FIFO, LIFO, and weighted average.

FIFO

An inventory valuation method where goods first received are the first ones sold, used in accounting to determine cost of goods sold.

LIFO

LIFO, standing for Last-In, First-Out, is an accounting method used for inventory valuation where the most recently produced or acquired items are the first to be expensed.