Answer:
$96,000
Explanation:
Particulars                   Amount
Opening inventory on 1st Jan   $80,000
ADD: Purchases made        $400,000
LESS: Cost of good sold       $384,000
Closing inventory            $96,000
Workings
Sales                       480,000
Less: Mark up 480000*25/125 Â 96,000
Cost of goods sold           $384,000