You have a sales report in an app workspace. The report displays a map of sales by region and a bar chart of sales by month. The map visual looks very small on thecanvas and needs to be zoomed in to view it easily. You need to freeze the proportions of the visual so that it stays the same when resized. Which of the followingoptions will help you to complete the task?
a. Data labels
b. Visual Header
c. Lock aspect
d. Plot area