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Binary star systems are extremely useful in studying stars because they allow us to determine stars' masses.
Administrative Expense
Expenses related to the general operation of a business, such as office supplies, management salaries, and utilities.
Fixed Selling
Costs that remain constant regardless of the volume of goods or services sold.
Direct Labor-Hours
The total hours worked by employees that are directly involved in the manufacturing process.
Raw Materials Cost
The expense of materials that are used in the manufacturing process to create goods, not yet processed or altered.
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