a$)$Replicate the results of the spreadsheet below. Be aware of all relative cell references in necessary formulas.

b$)$Adjust the above spreadsheet $($part b$)$to include $$200$for selling, general and administrative $($SG&A$)$expenses$,$ irrespective of sales.

PLEASE USE EXCEL and SHOW WORK IN EXCEL $($FORMULA$\text{'}$S$)\backslash$begin$\{$tabular$\}\{|$c$|$c$|$c$|\}$

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