Answer:
previousAddition instance variable
Explanation:
In order to accomplish this you would need to add a previousAddition instance variable. In this variable you would need to save the amount that was added at the end of the process. Therefore, if a mistake were to occur you can simply call the previousAddition variable which would have that amount and subtract it from the total. This would quickly reverse the mistake, and can be easily called from the undo() method.
Answer:
C. Optimization
Explanation:
Optimization entails improving your ads campaign making use of the available tools.
Optimization mostly makes ad to target the right audience and engage the right people.
Answer:
Stories
Explanation:
Storytelling is regarded as being on the core of culture. Stories is a way of passing history down generations after generations, and how customs are being shared. It also denotes how people adopt a tradition and these traditions never change. The stories told by a group indicates the values of its culture. In the question, informing employees about founders is like telling them stories to pass customs, values, and tradition.
To create a simple chart from scratch in word
Click Insert > Chart.
Click the chart type and then double-click the chart you want.
In the spreadsheet that appears, replace the default data with your own information.
Tip: When you insert a chart, small buttons appear next to its upper-right corner. Use the Chart Elements button to show, hide, or format things like axis titles or data labels. Or use the Chart Styles  button to quickly change the color or style of the chart. The Chart Filters  button is a more advanced option that shows or hides data in your chart.
When you’ve finished, close the spreadsheet.
If you want, use the Layout Options button to arrange the chart and text in your document.