How do I answer this ?

The pie chart below shows how the annual budget for the Heavy Equipment Company is divided by department. Use this chart to answer the questions below. (a) Which department accounts for approximately one-third of the annual budget? Select One : (b) Approximately what percentage of the annual budget is used for Engineering and Support combined? Write your answer as a multiple of 10% - that is, 10%, 20%, 30'7/0, l] % (c) If 24% of the annual budget is used for Research, approximately what percentage is used for Marketing? Research A g 4% r\" 3% F 33% r\" 72% Engineering xs