Answer:
$600
Explanation:
Data provided in the question:
Number of diamonds with delta = 5
1 diamond purchased on June 1 for $500
2 diamond purchased on July 9 for $550 each
2 diamond purchased on September 23 for $600 each
Now,
under the LIFO (Last In First Out) , the unit purchased last will be sold first
Therefore,
Before December 24 t, last purchase was 2 diamond purchased on September 23 for $600 each
Hence,
The Cost of Goods Sold is $600