4) (15 pts) A company had a net income of $150,000 last year. Depreciation was $40,000, they paid $20,000 in dividends and paid back a $60,000 loan to a bank. Receivables increased by $50,000 during the year and inventories increased by $20,000. If they started the year with $30,000 cash in their account, how much cash did they have at the end of the year?