Which option best characterizes the following passage in regard to recent developments in agriculture?
"Combined investments helped discover and develop farming equipment, which resulted in higher yields and the need for fewer farming personnel."
-Farming equipment use eventually turns farms into mass-producing factories.
-Farms provide fewer jobs compared to agricultural research and development.
-Farms now produce more crops, creating a need for more farm workers.
-Farming equipment is more expensive now than it was fifty years ago.