Use ‘Sheet1’ (data) in excel file: sales_jan_feb_mar_2021_d.xlsx and do the following: 1) Read all columns of the excel file: sales_jan_feb_mar_2021_d.xlsx – 9 columns 2) Read specific columns of the excel file (Month, Actual_Sales, Customer, Salesperson): sales_jan_feb_mar_2021_d.xlsx – 4 columns 3)…