The balance due from สยามสโตน has decreased by 0.57MB it was due to the balance as at 31 December 2014 has included the balance for November and December but for the Ar balance as at 31 March 2015
there are only the balance for March 2015. but the reason for change in small amount it was due to สยามสโตน.has open the new branch in chonburi in year 2015, from the open of new branch. สยามสโตน
has used higher delivery service from the company. therefore it lead to the lower change for the comparation.