In cell b12, enter a formula to calculate the amount budgeted for mileage to/from airport. the
amount is based on the mileage rate to/from airport and the roundtrip miles to airport
located in the standard inputs section.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.