Please explain in detail, thank you

Hyasaki Company provided the following information on selected transactions during 2017: Purchase of land by issuing bonds $200,000 Proceeds from sale of equipment 300,000 Proceeds from issuing bonds 600,000 Purchases of inventories 800,000 Purchases of treasury stock 400,000 Loans made to affiliated corporations 500,000 Dividends paid to preferred stockholders 100,000 Proceeds from issuing preferred stock 700,000 The net cash provided (used) by investing activities during 2017 is: A. $300,000 B. $100,000 C. $(200,000) D. $(400,000)