a$.$ Insert a comment and include your name$($s$)$ at the beginning of the module.b$.$ Transfer the information from each regional sales record worksheet to the "Consolidate worksheet. Sales numbers should be inserted into corresponding positionsc. Boldface the title row $($B$3$:E$3)$d$.$ In A$16,$ insert the label "Sum" and calculate the sum of sales for each region.e$.$ Using the area A$3$:E$15,$ generate a bar chart.f$.$ Clear all contents.g$.$ Insert four different buttons and assign each macro to the corresponding button.