A cent is equal to one hundredth of an acre, or 435.6 square feet. Therefore, ten cents is equal to 10 x 435.6 = 4356 square feet.
A Mekko chart (sometimes also called marimekko chart) is a two-dimensional stacked chart. In addition to the varying segment heights of a regular stacked chart, a Mekko chart also has varying column widths. Column widths are scaled such that the total width matches the desired chart width.
A Yamazumi chart (or Yamazumi board) is a stacked bar chart that shows the source of the cycle time in a given Process. The chart is used to graphically represent processes for optimization purposes. Yamazumi is a Japanese word that literally means to stack up. Process tasks are individually represented in a stacked bar chart, these can be categorized as either Value Added, Non-Value Added or Waste.