__ are internal sources of revenue. Select the best answer. cash reserves ticket sales donations cash from sponsors

The best answer is **ticket sales**. Here's why:<br /><br />* **Internal sources of revenue** refer to money generated from the organization's own activities. <br />* **Ticket sales** directly result from the organization's core function (e.g., a concert, a play, a sporting event).<br /><br />Let's look at the other options:<br /><br />* **Cash reserves** are existing funds, not revenue generated from current activities.<br />* **Donations** are external sources of revenue, coming from outside the organization.<br />* **Cash from sponsors** is also an external source of revenue, coming from sponsorships. <br />