Complete the Taxes and Fees row $($C$6$:H$6)$ of the Cost Comparison table on the Cellular worksheet for Option $1.$

Calculate the tax for March in cell C$6.$

The taxes and fees are calculated as the monthly charges in cell C$5($not including any data charges$)$ times the taxes and fees rate $($cell L$12)$ on the Plan Options table.

Reuse your formula to complete the taxes and fees for Option $1$ for each month.