In Merigold company, there was an increase in the land account during the year of $3200. Analysis reveals that the change resulted from a cash sale of land at cost $155600, and a cash purchase of land for $158800. In the statement of cash flows, the changes in the land account should be reported in the investment section:

A as a net purchase of land, $3200.

B only as a purchase of land $158800

C as a purchase of land $158800 and a sale of land $155600

D only as a sale of land $155600