16) Green Co. provided the following information on selected transactions during 2021:

Purchase of land by issuing bonds $1,800,000

Proceeds from issuing bonds 3,500,000

Purchases of inventory 4,200,000

Purchases of treasury stock 550,000

Dividends paid to common stockholders 250,000

Proceeds from issuing common stock 2,200,000

Proceeds from sale of equipment 250,000

The net cash provided (used) by financing activities during 2021 is?