To add Automatic Totals at the end of a Table, do the following...

Question $5$Select one:

a$.$

Table Tools $>$ Design $>$ Total Row

b$.$

Table Tools $>$ Design $>$ Banded Rows

c$.$

Table Tools $>$ Design $>$ Summarize with PivotTable

d$.$

Table Tools $>$ Design $>$ Header Row