MCA Healthcare invests in a rehab facility, and several accounts change as a result. Accounts receivable increase by $80,000, payables increase by $40,000, and depreciation increases by $30,000. What is the change in net working capital from this investment? 1) $40,000 O2) $120,000 3) $70,000 4) $30,000 5) $90,000 06) $150,000