A receiving report: Select one: includes the invoice, receiving report, purchase order and purchase request. Ob is sent by the purchasing department to the customer who purchases the item. Ocidentifies the need for merchandise and begins the purchasing process. Od identifies that the merchandise has been received. For good internal control: Select one: O a. the purchasing agent should prepare an EFT for payment. Ob the purchasing agent should also approve the invoice for payment. Oc the purchasing agent should also receive the goods. Od the purchasing agent should not receive the goods or approve the invoice for payment