Juicy Manufacturing Corporation incurred the following costs

Juicy Manufacturing Corporation incurred the following costs.

Beginning direct materials inventory  $24,000

Beginning work-in-process inventory $10,500

Beginning finished goods inventory    $28,500

Ending direct materials inventory        $24,000

Ending work in process           $21,000

Ending finished goods             $39,000

Factory supervisor's salary       $42,000

Depreciation on plant  $18,000

Sales     $1,200,000

Selling and administrative expenses    $187,500

Plant maintenance        $9,000

Plant utilities    $16,500

Direct material purchases         $322,500

Direct labor      $360,000

Required: Calculate the following.    

a. Direct materials used          

b. Cost of goods manufactured         

c. Cost of goods sold 

d. Operating income