Lauren tracked her expenses over July and August using an Excel spreadsheet. The spreadsheet included details of deposits, withdrawals, balances and categorized expenses. Key findings from the analysis include: total expenses were higher in September than August; shopping and food were among the highest expense categories both months; and Lauren identified reducing shopping expenses as necessary to afford a $30,000 car she wants with a $5,000 down payment and 5-year loan at 5% interest.