Exchange Corporation collected $15,000 from one of its customers, the amount owed from the previous month How does this affect the accounting equation for Exchange? A. assets increase by $15,000; liabilities decrease by $15,000 B. assets increase by $15,000; equity increases by $15,000 C. assets increase by $15,000; assets decrease by $15,000 D. assets increase by $15,000; liabilities increase by $15,000