The output of grape vineyards in Xinjiang has increased year by year, and the oversupply of grapes has led to a decline in prices. If there is no restriction on the cultivation of grapes in grape vineyards, the prices of grapes will fall further. In order to increase grape prices, the grapevines will be idle and given to these farmers Provide direct compensation. The compensation for each estate has a clear ceiling. If the government's plan is successfully implemented, it will not cause a net burden on the finances. Which of the following, if correct, is the best basis for explaining its cause? ['If the price of grapes rises, the government can earn income by taxing the profits of the estate.', 'The government used the same plan 5 years ago and it worked well.', 'The government requires that farmers who receive compensation cannot use the grape fields that have been withdrawn to grow other crops.', 'Compensation for idle vineyards accounts for only a small part of the benefits from growing grapes.']