15. Edra wants to compare 2021 sales totals to the sales totals for 2020 and needs to add the 2020 data to the Consolidated Sales worksheet. Open the file Support_EX19_5a_2020_Sales.xlsx. Switch back to the NP_EX19_5a_FirstLastName_2.xlsx workbook and go to the Consolidated Sales worksheet. Create external references as follows: a. Link cell G6 in the Consolidated Sales worksheet to cell F6 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. b. Link cell G7 in the Consolidated Sales worksheet to cell F7 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. c. Link cell G8 in the Consolidated Sales worksheet to cell F8 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. d. Link cell G9 in the Consolidated Sales worksheet to cell F9 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. e. Do not break the links. Close the Support_EX19_5a_2020_Sales.xlsx workbook. 15. Edra wants to compare 2021 sales totals to the sales totals for 2020 and needs to add the 2020 data to the Consolidated Sales worksheet. Open the file Support_EX19_5a_2020_Sales.xlsx. Switch back to the NP_EX19_5a_FirstLastName_2.xlsx workbook and go to the Consolidated Sales worksheet. Create external references as follows: a. Link cell G6 in the Consolidated Sales worksheet to cell F6 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. b. Link cell G7 in the Consolidated Sales worksheet to cell F7 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. c. Link cell G8 in the Consolidated Sales worksheet to cell F8 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. d. Link cell G9 in the Consolidated Sales worksheet to cell F9 in the Consolidated Sales 2020 worksheet in the Support_EX19_5a_2020_Sales.xlsx workbook. e. Do not break the links. Close the Support_EX19_5a_2020_Sales.xlsx workbook