1.9 A university administrator requested a breakdown of travel expenses for faculty to attend various professional meetings. It was found that 41% of the travel expenses was spent for transportation costs, 20% was spent for lodging, 15% was spent for food, 8% for conference fees, and 16% was spent for conference registration fees; the remainder was spent for miscellaneous costs.

a. Construct a pie chart.

b. Construct a bar chart.