16) Green Co. provided the following information on selected transactions during 2021: 4 Purchase of land by issuing bonds Proceeds from issuing bonds Purchases of inventory Purchases of treasury stock Dividends paid to common stockholders Proceeds from issuing common stock Proceeds from sale of equipment $1,800,000 3,500,000 4,200,000 550,000 250,000 2,200,000 250,000 The net cash provided (used) by financing activities during 2021 is