Bob owned stock in a corporation that has a dividend reinvestment plan. Bob chose to participate in the plan and, during the year, the corporation paid dividends. The plan allowed Bob to use his $$5,000$ to buy $50$ additional shares of stock at $$100$ per share when the fair market value of the stock was $$120$ per share. How much dividend income must Bob report on his income tax return?

A$.$ $$5,000$

B$.$ $$0$

C$.$ $$1,000$

D$.$ $$6,000$