the graph shows sale revenue in Praew bucket company over 4 years. the x-axis show the year and the y-axis represents the sale revenue . In 2010 , sale revenue in Praew bucket company has $1.0 million per years. In 2011, sale revenue bucket's increase steadily to $3.0 million per years. the next year, sale revenue bucket's decreased dramatically from $3.0 to $2.0 million per years. the following year, there was a slight drop in sale revenue bucket's to $1.8 million per years