The gross profit for the four inventory methods include:
From the complete question, the following can be deduced:
Specific identification
Sales = $9800
Less: Cost of goods sold = $6015
Gross profit = $3785
Weighted average
Sales = $9800
Less: Cost of goods sold = $6026
Gross profit = $3774
FIFO
Sales = $9800
Less: Cost of goods sold = $6030
Gross profit = $3770
LIFO
Sales = $9800
Less: Cost of goods sold = $6010
Gross profit = $3790
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