Journalize the following transactions for Combs Company. (a) Purchased 6,500 units of raw materials on account for $12,200. The standard cost was $13,000. (b) Issued 6,210 units of raw materials for production. The standard units were 6,360. (Credit account titles are automatically indented when amount is entered. Do not indent manually.) No. Account Titles and Explanation Debit Credit (a)