In 2009, an agricultural company introduced a new cropping process which reduced the cost of growing some of its crops. If sales in 2008 and 2009 were steady at $25 million, but the gross margin increased from 2.3% to 3.4% between those years, by what amount was the cost of sales reduced? A) $425,000 B) $275,000 C) $325,000 D) $575,000