This document discusses different inventory valuation methods including LIFO, FIFO, simple average, and weighted average. FIFO assigns the earliest costs to cost of goods sold and the latest costs to inventory. LIFO assigns the latest costs to cost of goods sold and the earliest costs to inventory. Simple average and weighted average calculate average costs per unit.

1. Material Valuation
LIFO
FIFO
Simple Average
Weighted Average

2. Problem

3. FIFO Method

4. LIFO Method

5. Simple Average

6. Weighted Average