The following information for 2015 relates to Emma Grace, a single taxpayer, age 18: 
a. Compute Emma Grace's taxable income assuming she is self-supporting.
b. Compute Emma Grace's taxable income assuming she is a dependent of her parents.
Definitions:
Fixed Manufacturing Overhead
These are production costs that do not change with the level of production output, such as rent for factory buildings or salaries for factory management.
Overhead Applied
The portion of estimated manufacturing overhead cost that is charged to individual jobs based on the predetermined overhead rate.
Denominator Level
Refers to the total amount of capacity or activity base used to allocate fixed costs to products or services in cost accounting.
Predetermined Overhead Rate
A rate used to apply manufacturing overhead to products or job orders, calculated at the beginning of a period by dividing estimated overhead costs by an estimated activity base.
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