At the beginning of the year, Kaster Corporation had $100,000 in cash. The company undertook a major expansion during this same year. Looking at its statement of cash flows, you see that the net cash provided by its operations was $300,000 and the company's investing activities required cash expenditures of $800,000. The company's cash position at the end of the year was $50,000. What was the net cash provided by the company's financing activities?
$350,000
$400,000
$300,000
$450,000
$500,000