Policy income refers to the individual income caused by changes in certain policies and regulations. This income will not lead to the growth of the entire social wealth, but only to the redistribution of the entire social wealth. According to the above definitions, Which of the following are related to policy benefits:. ["As the city's relevant departments jointly rectify the operating environment, the efficiency of the bookstore operated by Xiao Zhang has obviously improved, and the monthly turnover has increased by 5,000 yuan.", "The gangster wanted to commit murder, and Xiao Wang came forward and subdued the gangster, so he won the city government's righteousness award of 50,000 yuan.", "Due to the country's efforts to develop the western region, a county received a 50 million yuan special water conservancy construction fund.", "Due to the interest rate adjustment, Xiao Li's deposit interest has increased by 100 yuan per month compared to the previous."]