Problem $3-7($Algo$)$ Profitability ratios $[$LO$3-2]$

The Haines Corporation shows the following financial data for $201$ and $202$ :

$\backslash$table$[[,20\backslash$times $1,20\backslash$times $2],[$Sales$,$$$3,470,000,$$$3,270,000],[$Cost of goods sold,$1,800,000,2,670,000],[$Gross profit,$$1,670,000,$$$600,000],[$Selling & administrative expense,$$1,445,000,$$$325,000],[$Operating profit,$49,300,45,100],[$Interest expense,$$1,395,700,$$$325,900],[$Income before taxes,$488,495,114,065],[$Taxes $(35\%),$$$907,205,$$$211,835],[$Income after taxes,,$]]$

For each year, compute the following ratios and indicate how the change in each ratio will affect profitability in $202.$

Note: Input your answers as a percent rounded to $2$ decimal places.

$\backslash$table$[[,20$X$1,20$X$2,$Profita$],[$a$.$ Cost of goods sold to sales,,$\%,,\%,],[$b$.$ Selling and administrative expense to sales,,$\%,,\%,],[$c$.$ Interest expense to sales,,$\%,,\%,]]$