Ozuna Company uses a job-order costing system with a plantwide predetermined overhead rate based on direct labor-hours. For job costing purposes, it uses an average direct labor wage rate of $20 per hour. The company has been struggling financially; accordingly, it has asked you to conduct a job profitability study beginning with a thorough critique of its existing cost system. To keep the scope of your project manageable, you have chosen a subset of 12 jobs from the many jobs completed by the company during the year. Your goal is to complete the table shown below and comment on the insights that it provides:

Job	Sales		Direct Materials	Direct Labor	Applied Overhead	Total Job Cost	Gross Margin
1	$	2,400	?	?	?	?	?
2	$	5,400	?	?	?	?	?
3	$	9,000	?	?	?	?	?
4	$	1,450	?	?	?	?	?
5	$	2,200	?	?	?	?	?
6	$	7,000	?	?	?	?	?
7	$	1,700	?	?	?	?	?
8	$	1,600	?	?	?	?	?
9	$	8,000	?	?	?	?	?
10	$	4,100	?	?	?	?	?
11	$	3,200	?	?	?	?	?
12	$	2,800	?	?	?	?	?
Required: 1. Go to the tab titled Direct Materials Requisitions.: a. Using PivotTable, calculate the total direct materials cost for each of the 12 jobs. b. What is the total direct materials cost for Jobs 5 and 11? 2. Go to the tab titled Direct Labor Summary.: a. Using PivotTable, calculate the total direct labor cost and total direct labor-hours for each of the 12 jobs. b. What is the total direct labor cost for Jobs 3 and 10? c. What are the total direct labor-hours for Jobs 3 and 10?