The order$-$to$-$cash $($O$2$C$)$ process, or sales cycle, involves three main processes: $1.$Sales order processing $2.$Order fulfillment and shipping $3.$Billing and cash collections Financial accountants are interested in determining the amount of sales revenue on the income statement and accounts receivable balance on the balance sheet as well as the calculation of bad debts expense. Managers are concerned with making the process as eJicient as possible to ensure increased sales volume, suJicient profitability, and fast cash collection. Auditors should test sales transaction and master data to ensure that only authorized users are processing orders, that sales prices match master data and aren't altered, and that customers aren't exceeding approval limits$.$ In addition, auditors use accounts receivable aging schedules to evaluate outstanding balances