noun
Refers to money received from a business, event, or sale; often used in financial or accounting contexts.
チャリティーコンサートの収益金は全額寄付されます。
All proceeds from the charity concert will be donated.
今年の収
This year's earnings increased compared to last year.
売上金 refers to sales revenue or takings, whereas 収益金 can include proceeds from various sources, not just sales.
Compound of 収益 (earnings, profit) and 金 (money).