Final answer:
The amount of period costs shown on Steuben's income statement is $96,000.
Step-by-step explanation:
To find the amount of period costs shown on Steuben's income statement, we need to identify which costs are period costs. Period costs are non-manufacturing costs that are not directly tied to the production of goods or services. They include selling and administrative expenses.
From the given information, the costs that are period costs are:
- Office manager's salary: $78,000
- Insurance and taxes on selling and administrative offices: $18,000
Therefore, the amount of period costs shown on Steuben's income statement is $96,000.