The Haines Corporation shows the following financial data for 20X1 and 20X2:

	20X1	20X2
Sales	$ 3,230,000	$ 3,370,000
Cost of goods sold	2,130,000	2,850,000
Gross profit	$ 1,100,000	$ 520,000
Selling & administrative expense	298,000	227,000
Operating profit	$ 802,000	$ 293,000
Interest expense	47,200	51,600
Income before taxes	$ 754,800	$ 241,400
Taxes (35%)	264,180	84,490
Income after taxes	$ 490,620	$ 156,910

For each year, compute the following ratios and indicate how the change in each ratio will affect profitability in 20X2.

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

	20X1		20X2		Profitability
a. Cost of goods sold to sales	2,130,000.00	%	65.94	%
b. Selling and administrative expense to sales		%		%
c. Interest expense to sales		%		%