Answer: Option Discretionary funds
Explanation:
Discretionary funds are the funds which are available in excess after meeting the essential needs. These funds are used towards purchases of goods and services which are not essential but are useful. The customers have discretionary funds in hand after meeting their basic expenses.
Sports managers try to sell their products to the customers to obtain the discretionary funds of the customers and make them spend their money which might not be the primary focus of the sports business.