The net income for Mountain Corporation was $4,000,000 for the year ended December 31, 2007. Additional information is as follows:

Depreciation on fixed assets

$2,000,000

Proceeds from sale of land

200,000

Increase in accounts payable

300,000

Dividends on preferred stock

400,000

The net cash provided by operating activities in the statement of cash flows for the year ended December 31, 2007 should be

a. $6,000,000

b. $6,100,000

c. $6,300,000

d. $6,500,000