Journalize the following transactions in the accounts of Sedona Interiors Company, a restaurant supply company that uses the allowance method of accounting for uncollectible receivables:

May 1. Sold merchandise on account to Beijing Palace Co., $18,900. The cost of the merchandise sold was $11,200.
Aug. 30. Received $8,000 from Beijing Palace Co. and wrote off the remainder owed on the sale of May 1 as uncollectible.
Dec. 8. Reinstated the account of Beijing Palace Co. that had been written off on August 30 and received $10,900 cash in full payment. For a compound transaction, if an amount box does not require an entry, leave it blank.

The journal entries are made below;

Explanation:

May 1. Account Receivable-Beijing Palace Co. Dr.$18,900

          Sales Revenue                                         Cr.$18,900

         Cost of Goods Sold       Dr.$11,200

        Inventory Stock              Cr.$11,200

Aug 30.     Cash      Dr.$8,000

               Bad Debt Expense        Dr.$10,900

              A/R-Beijing Palace Co.         Cr.$18,900

Dec 8.  A/R Beijing  Palace   Dr.$10,900

            Bad Debt Expense   Cr.$10,900

          Cash           Dr.$10,900

         A/R Beijing Palace Co. Cr.$10,900

you have to put the parentheses like this:

in fact, you have to perform the operation inside parentheses first, and then proceed in order: