A trader provided the following information: Payables: opening balance =$4,000; closing balance = $5,000. Payments made =$20,000 Receivables: opening balance =$7,000; closing balance =$9,000. All sales are on credit. Inventory: opening balance =$5,500; closing balance = $2,500. Gross profit margin =25% How much cash has been collected from the customers? Cash collected from the customers during the year was $26,000. Cash collected from the customers during the year was $32,000. Cash collected from the customers during the year was $28,000. Cash collected from the customers during the year was $30,000