As part of its environmental cost reporting system, Crimson Company tracks its total environmental costs. Consider the following cost and sales data:

	Total
Year	Environmental Costs	Sales Revenue	Operating Costs
1	$1,750,000	$11,250,000	$5,000,000
2	1,125,000	13,725,000	7,000,000

What is the change in environmental costs from Year 1 to Year 2 as a percentage of operating costs of Year 1 (rounded to two decimal places)?

a.12.50%

b.12.22%

c.10.00%

d.17.78%