https://www.dropbox.com/s/xq2a4tp4h1tu4ps/chegg_help%202.xlsx?dl=0

need help in doing these steps please show your working out of how to complete step 12 to 21

12	Clear the filter from the table. Sort the table on the Item # column from Smallest to Largest, and then remove the Total Row. On the Page Layout tab, set Print Titles so that row 14 repeats at the top of each page, and then Save your workbook.	3.000
13	Group the two worksheets. Merge and center the title in cell A1 across the range A1:G1 and apply the Title cell style. Merge and center the subtitle in cell A2 across the range A2:G2 and apply the Heading 1 cell style. AutoFit Column A. Center the worksheets Horizontally, change the Orientation to Landscape.	9.000
14	In Backstage view, on the left click Save, and then click the Bulbs sheet tab to cancel the grouping. Click the Trees sheet tab, and then insert a new worksheet. Change the sheet name to Summary and then widen columns A:D to 20.63 width. Move the Summary sheet so that it is the first sheet in the workbook.	3.000
15	In cell A1, type Pasadena Inventory Summary. Merge & Center the title across the range A1:D1, and then apply the Title cell style. In cell A2, type As of December 31 and then Merge & Center the text across the range A2:D2. Apply the Heading 1 cell style.	3.000
16	On the Bulbs sheet, Copy the range A4:A8. Display the Summary sheet and Paste the selection to cell A5. Apply the Heading 4 cell style to the selection.	1.000
17	In the Summary sheet, in cell B4, type Bulbs. In cell C4 type Trees. In cell D4 type Bulbs/Trees. Center the column titles, and then apply the Heading 3 cell style.	3.000
18	In cell B5, enter a formula that references cell B4 in the Bulbs sheet so that the Bulbs Total Items in Stock displays in B5. Create similar formulas to enter the Average Price, Median Price, Lowest Price, and Highest Price from the Bulbs sheet into the Summary sheet in the range B6:B9.	5.000
19	Enter formulas in the range C5:C9 that reference the Total Items in stock and the Average Price, Median Price, Lowest Price, and Highest Price cells in the Trees worksheet.	5.000
20	In cells D5, D6, D7, D8, and D9, insert Column sparklines using the values in the Bulbs and Trees columns. Format the sparklines using the styles in the first row as follows: D5: Sparkline Style Accent 1, Darker 50% D6: Sparkline Style Accent 2, Darker 50% D7: Sparkline Style Accent 3, Darker 50% D8: Sparkline Style Accent 4, Darker 50% D9: Sparkline Style Accent 5, Darker 50%	10.000
21	To the range B5:C5, apply Comma Style with zero decimal places, and to the range B6:C9, apply Accounting Number Format. Center the Summary worksheet Horizontally and change the Orientation to Landscape. Insert a custom footer in the left section with the file name.	4.000