A job cost sheet of Sandoval Company is given below.

Cost of completed job:

Direct materials

Direct labor

Manufacturing overhead

Total cost

Unit cost

$($a$)$

Answer the following questions.

$(1)$ What are the source documents for direct materials, direct labor, and manufacturing overhead costs assigned to this job?

$(2)$ Overhead is applied on the basis of direct labor cost. What is the predetermined manufacturing overhead rate?

Predetermined manufacturing overhead rate

$(3)$ What are the total cost and the unit cost of the completed job? $($Round unit cost to $2$ decimal places, e$.$g$.1\mathrm{.}25.)$

Total cost of the completed job $

Unit cost of the completed job $

List of Accounts

$($b$)$

The parts of this question must be completed in order. This part will be available when you complete the part above.