How would the following be reported on the Statement of Cash Flows?

Increase in Accounts Payable of $$8,000.$

Cash Flows from Investing Activities $-$ subtract $$8,000$

Cash Flows from Investing Activities $-$ add $$8,000$

Cash Flows from Operating Activities $-$ subtract $$8,000$

$($D$)$ Cash Flows from Operating Activities $-$ add $$8,000$