This document summarizes chapters from an accounting textbook. Chapter 1 discusses accounting for merchandising operations, including the recording of purchases and sales under a perpetual inventory system and the steps in the accounting cycle. Chapter 2 covers determining inventory quantities, cost flow assumptions, the lower-of-cost-or-market valuation method, and the inventory turnover ratio. Chapter 3 addresses cash controls, including controls over cash receipts, disbursements, bank reconciliations, and the presentation of cash on the balance sheet.