Factory Overhead Costs. During May, Keegan Company incurred factory overhead costs as follows: indirect materials. $8, 800: Indirect labor, $6, 600: Utilities cost, $4, 800, and factory depredation, $9,000. Journalize the entry to record the factory overhead incurred during May. For a compound transaction, if an amount box does not requite an entry, leave it blank. Record the expense as factory overhead reduce the materials inventory. Increase the laborites, and accumulate the operation.