The net income for Mountain Corporation was $4,000,000 for the year ended December 31, 2019. 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, 2019, should be:

a.$6,000,000

b.$6,500,000

c.$6,100,000

d.$6,300,000