Mira was working on updating her coworker's spreadsheet. Instead of reviewing the sheet first, she deleted $2$ columns and ended up with the following error:

What could have helped Mira avoid this error?

Question $19$ options:

Using $ as a static reference in any formulas to prevent errors

Clicking on the cells in column $1$ and column $2$ and using Formulas $>$ Evaluate Formula

Using Formulas $>$ Trace Dependents to find any cells that use column $1$ or column $2$

Using Formulas $>$ Trace Precedents to find any cells that use column $1$ or column $2$

Applying Named Ranges to the cells in the worksheet so that she could find them

Page $17$