During the fiscal year 20x4, the initial inventory of the goods of company A is 15.000 €, purchases of goods for the fis

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During the fiscal year 20x4, the initial inventory of the goods
of company A is 15.000 €, purchases of goods for the fiscal year
25.000,00 € and the final stock of goods 10.000,00 €. The revenue
from the sales of goods is 75.000,00 €, the operating expenses
30.000,00 € and the tax rate is 40%. An employee of the accounting
department registered as the final stock of goods the amount of
12.000 €. What is the effect on the cost of sales during the use of
20X4?