A postal order, either crossed or open is only valid for a period of? By: Sunday|Published on: Jul 24|Categories: Commerce WAEC| 0 comments A. 12 months B. 10 months C. 8 months D. 6 months E. 5 months Correct Answer: Option D – 6 months Users Also Read These:Which of the following is the safest means of…Which of the following arrangements indicates the…In order to raise more revenue for a certain period;…The period of inactivity seen in some animals during…Debtors and credit sales for a period are D 120 00…SEE ALSO In Nigeria; the ministry in charge of registering trade association is that of?