Droid Company incurred the following costs during the most recent accounting period: advertising expense, $85,000; depreciation expense factory building, $133,000; direct labor, $250,000; direct material used, $300,000; factory utilities, $105,000; and sales salaries expense, $150,000.

1. For the accounting period, what was the total dollar amount of overhead costs that Droid incurred? [ Select ] ["$550,000", "$488,000", "$235,000", "$238,000"]

2. If Droid produces a single product and produced 80,000 units during the accounting period, what is cost per unit of production for the period? (round your answer to the nearest cent) [ Select ] ["$6.88", "$9.85", "$10.91", "$12.79"]