Please Help me, How do I calculate the OverHead for the chart below? Thanks!

Widmer Watercrafts predetermined overhead rate for year 2013 is 200% of direct labor. Information on the companys production activities during May 2013 follows.

a.	Purchased raw materials on credit, $240,000.
b.	Paid $129,100 cash for factory wages.
c.	Paid $15,750 cash to a computer consultant to reprogram factory equipment.
d.	Materials requisitions record use of the following materials for the month.

Job 136	$	48,500
Job 137		32,500
Job 138		19,600
Job 139		23,200
Job 140		7,000
Total direct materials		130,800
Indirect materials		21,000
Total materials used	$	151,800

e.	Time tickets record use of the following labor for the month.

Job 136	$	12,000
Job 137		10,800
Job 138		37,500
Job 139		39,000
Job 140		3,800
Total direct labor		103,100
Indirect labor		26,000
Total	$	129,100

f.	Applied overhead to Jobs 136, 138, and 139.
g.	Transferred Jobs 136, 138, and 139 to Finished Goods.
h.	Sold Jobs 136 and 138 on credit at a total price of $540,000.
i.	The company incurred the following overhead costs during the month (credit Prepaid Insurance for expired factory insurance).

Depreciation of factory building	$	70,000
Depreciation of factory equipment		37,500
Expired factory insurance		11,000
Accrued property taxes payable		36,500

j.	Applied overhead at month-end to the Goods in Process (Jobs 137 and 140) using the predetermined overhead rate of 200% of direct labor cost.

	Job No. 136	Job No. 137	Job No. 138	Job No. 139	Job No. 140
Materials	$ 48,500	32,500	19,600	23,200	7,000
Labor	12,000	10,800	37,500	39,000	3,800
Overhead	??????	??????	??????	??????	??????
Total Cost