Jan. 19. Sold merchandise on account to Dr. Sinclair Welby, $42,800. The cost of the merchandise sold was $23,100. July 7. Received $11,600 from Dr. Sinclair Welby and wrote off the remainder owed on the sale of January 19 as uncollectible. Nov. 2. Reinstated the account of Dr. Sinclair Welby that had been written off on July 7 and received $31,200 cash in full payment. If an amount box does not require an entry, leave it blank. Jan. 19-sale Accounts Receivable-Dr. Sinclair Welby Sales Jan. 19-cost Cost of Merchandise Sold Merchandise Inventory July 7 Cash Bad Debt Expense Accounts Receivable-Dr. Sinclair Welby Nov. 2-reinstate Accounts Receivable-Dr. Sinclair Welby Bad Debt Expense Nov. 2-collection Cash Accounts Receivable-Dr. Sinclair Welby 00 00 000 00