The recording of credit sales will result in an increase in allowance for doubtful accounts. O a decrease in accounts receivable. O an increase in accounts receivable. O a decrease in allowance for doubtful accounts. When using a perpetual inventory system to record inventory transactions, "Inventory" account is updated at the end of a period. "Sales revenue" is calculated and recorded at the end of a period. "Purchases" account is debited to record a purchase of inventory. "Cost of goods sold" is calculated and recorded at the time of each sale