Journalize the following transactions for Combs Company. (a) Purchased 6,600 units of raw materials on account for $12.560. The standard cost was $13,200. Issued 6,480 units of raw materials for production. The standard units were 6,590. (b) (Credit account titles are automatically indented when amount is entered. Do not indent manually) No. Account Titles and Explanation Debit Credit (a) Raw Materials taventory Accounts Payable Materials Price Variance DEMON (b) Work in Process Inventory Raw Material Inventory Materials Quantity Variance