Beginning in the late 1970s, economic reform in China allowed farmers, for the first time, to keep a portion of their crops and to sell them to others. Previously, all food was collectively farmed and shared. How did this basic reform improve China's economic growth? O It gave consumers an incentive to eat less. It gave local governments an incentive to tax farmers. It gave farmers an incentive to be more productive. It game farmers an incentive to work less