Which of the following is not true of how burn up charts that also track total scope differ from burn down charts?
A) Burn up charts separate out the rate of progress from the scope fluctuations
B) Burn up charts and burn down charts trend in opposite vertical directions
C) Burn up charts can be converted to cumulative flow diagrams by the addition of WIP
D) Burn down charts indicate whether rate of effort changes are due to changes in progress rates or scope