Required

1.	Calculate the budgeted overhead rate used by Partridge.
2.	Calculate the unit cost of ending work-in-process inventory assuming that the number of units in the job(s) total 260 units.
3.	Calculate the cost of goods manufactured and the unadjusted gross margin for the month of December.
4.	Calculate the amount of over- or underallocated overhead for the year.

Partridge Ltd. uses a normal job-costing system and applies overhead on the basis of direct labour-hours. At the beginning of the year, the company estimated that total overhead costs for the year would be

$225,000, and it budgeted total labour-hours of 15,000. Actual labour-hours worked for the period January 1 to November 30 were 13,750. On December 1, the company had three jobs in process:

Work-in-Process at December 1
Job Number	815	817	822
Direct materials (DM)	$1,300	$2,900	$1,600
Direct labour (DL)	1,000	2,000	500
Overhead (OH)	600	1,300	500
Total	2,900	6,200	2,600

Costs organized by job

Job #	815	817	822	823	824
DM	$500	$800	$1,300	$1,350	$1,500
DL	$855	$1,350	$2,385	$3,480	$4,740
DL hours	57 hours	90 hours	159 hours	232 hours	316 hours

Other costs incurred

DM purchases	$7,800
Plant depreciation	2,510
Factory utilities	1,600
Production supervisor salary	2,200
Administrative salaries	3,350
Advertising expense	5,100
Factory repairs and maintenance	1,000
Factory supplies	1,600
Sales personnel salaries	9,800
Interest expense	1,800

Additional information

1.	The balance in the Overhead Control account on December 1 was $192,970.
2.	There were no jobs in Finished Goods as of December 1.
3.	Jobs 815, 822, 823, and 824 were completed during December.
4.	Job 824 is the only job in Finished Goods as of December 31.
5.	The company's pricing policy is 200% of total manufacturing cost.