Answer:
$363,500
Explanation:
Gross profit = Revenue - Cost of Goods Sold.
In the case
Revenue = $578,000.
The Cost of Goods Sold: COGS
Inventory turn over = COGS/ Average turnover
Average turnover = Opening stock + closing stock/2
In this case Opening stock + Closing stock = $110,000
Average turnover = $110,000 /2 =$55,000
Therefore:
3.9 = COGS/$55,000
COGS = $55,000 x 3.9
COGS =$214,500
Gross profit = $578,000 - $214,500
Gross profit = $363,500