Recall the Application on the Break-Even Price for Switchgrass,a Feedstock

Recall the application on the break-even price for switchgrass,a feedstock for biofuel.What are the following statements is true about the implications f in order to get some North Dakota farmers to switch their crops to switchgrass?

A) the higher the price,the larger the acreage devoted to switchgrass
B) the lower the price,the more amount of farmers who would switch their crops to switchgrass
C) There are no farmers willing to switch their crops to switchgrass.
D) There is no fertile land in North Dakota to grow switchgrass.