For the base case in this section, as a percentage of sales, COGS$=69$ percent, SGA$=14$ percent, $R$&$D=2\mathrm{.}5$ percent. Depreciation, Interest expense are fixed as stated. Tax Rate is $20$ percent.

$1.a$

Given the following case, calculate the independent effects of a $1$ percent increase in Gross Margin, a $1$ percent decrease in the TaxRate, and a $5$ percent increase in Sales.

Colossal Chemical Corporation

Year Ended December $31,2021$

$($ $$000,000$ omitted$)$

$\backslash$table$[[,\backslash$table$[[$Base$],[$Case$]],1\%$ Increase in Gross Margin,$1\%$ Decrease in Tax Rate,$5\%$ Increase in Sale$],[$Sales$,\backslash$table$[[$$