We compared Salary account for the Half-year ended 30 June'16 with 30 June'15 and for the quarter ended 30 June'16 and 31 March'16, we found that the decreasing around 0.817MB and 0.556MB respectively
due to one of the Sales department staff (K.Piyaphon) was switched to be an executive in March 2016. So, salary in Q2'2016 had lower than Q1'2015 and Q1'2016.