A company had the following cash flows in 2013:

• Cash paid to employees - $60,000
• Cash received from issuance of preferred stock - $300,000
• Cash paid for operating expenses - $40,000
• Cash paid for income taxes - $20,000
• Cash received from customers - $500,000
• Principle paid on note payable - $35,000
• Interest paid on note payable - $5,000
• Cash paid for merchandise inventory - $200,000
• Cash paid for dividends - $10,000
• Cash paid for the purchase of equipment - $100,000
• Cash received from the sale of a patent - $12,000

a. What are cash flows from operating activities?

b. What are cash flows from investing activities?

c. What are cash flows from financing activities?