ค่าเผื่อหนี้สงสัยจะสูญ(reverse) has increased by 3.22MB, the increased was cause from the lower in provision on allowance for doubtful of bad debt.
the lower of provision was mainly cause for the legal process for sued the company's customer that has the outstanding debt higher than 1 year. And during year 2015 the company
has received the payment from the customer that has outstanding debt higher than 1 year in amount of 2.36MB nd from Q-mix in amount of 2.93MB for
the AR balance that has outstanding balance sinceyear 2013