Answer:
= $490
Explanation:
Under the First-in-First-Out ( FIFO ) method of inventory valuation, inventories are valued using the price of the earliest batch in stock until the batch is exhausted when the price of the next oldest batch is used and so on.
Date sale units Workings Value
10 10 × $19 190
20 (10 × $19)+( 10 × $20) 390
The cost o he merchandise = $190 + $390
= $490