Classify the following items as (1) operating, (2) invest- ing, (3) financing, or (4) significant noncash investing and financing activities, using the direct method.

(a) Purchase of equipment.

(b) Redemption of bonds payable.

(c) Sale of building.

(d) Cash payments to suppliers.

(e) Exchange of equipment for furniture.

(f) Issuance of preferred stock. (g) Cash received from customers. (h) Purchase of treasury stock. (i) Issuance of bonds for land. (j) Payment of dividends. (k) Cash payments to employees. (1) Cash payments for operating expenses.