Non-operating income refers to a variety of income confirmed by an enterprise that has no direct relationship with the enterprise's production and operation activities. This income is actually a net income, which is not generated by the enterprise's operating capital expenditure, and does not need to be paid by the enterprise or matched with relevant expenses. In other words, all income other than the main business and other ancillary businesses specified in the business license of the enterprise is considered non-operating income.
According to the above definition, which of the following statements about non-operating income is incorrect?
The policy subsidy of a high-paying technology enterprise obtained by a polymer material company from the local government belongs to non-operating income