A company just starting in business purchased three merchandise inventory items at the following prices: First purchase $$1,200$; Second purchase $$1,500$; Third purchase $$1,680.$ If the company then sold one unit for a total of $$2,800$ and used FIFO costing, the gross profit for the period would be

A$.$ $$1,600$

B$.$ $$1,340$

C$.$ $$1,120$

D$.$ $$100$