Exchange Corporation Collected $8,000 from One of Its Customers,the Amount

Exchange Corporation collected $8,000 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 $8,000; liabilities decrease by $8,000
B) assets increase by $8,000; assets decrease by $8,000
C) assets increase by $8,000; liabilities increase by $8,000
D) assets increase by $8,000; equity increases by $8,000