Answer:
a) Research
b) 50%
c) 18% (as marked)
Explanation:
a)
About 1/3 of the chart is covered by the segment marked Research.
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b)
Sales and Research together cover almost half the chart, about 50%.
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c)
The size of the Support sector is about 3 times the size of the Marketing sector. This lets us estimate Support at about 18% of the budget.