Journalize the following transactions for Shelton, Inc. (a) Incurred direct labor costs of $23,800 for 3,400 hours. The standard labor cost was $24,990. (b) Assigned 3,400 direct labor hours costing $23,800 to production. Standard hours were 3,580. No. Account Titles and Explanation (a) Factory Labor Factory Wages Payable Labor Price Variance (b) Work in Process Inventory Factory Labor Debit Credit 24,990 Labor Quantity Variance 1,323