According to the article "Agriculture in the Twentieth Century," in 1930, the ratio of sales for the average farm in the top 10% was 14 times that of the smallest 10%. In 1993, the ration was 152. How can this be interpreted? Group of answer choices Bigger farms are getting smaller Rich farmers are evil No possible explanation exists The reduction in the number of farms is due to concentration among few big farms which have access to more productive and expensive technology