$1\mathrm{.}6$ Create a PivotTable that adds a field to calculate the ratio of Avocado to Classic burger sales.

a$.$ Create a PivotTable on the CalculatedField $1$ worksheet.

b$.$ Show the sum off all products in the PivotTable.

c$.$ Create a column PivotChart of the PivotTable to show a comparison of the product sales.

d$.$ Insert a calculated field named "PercentAvocadoToClassic" $($without the quotes$)$ with the formula $=$Avocado$/$Classic$.$

e$.$ Change the number format of the calculated field to $\%$ with one decimal place.