There are eight households in a rural community. Four of the households earn $$30,000$ each per year, and the other four households earn $$40,000$ each per year. The median household income is $$ $$30,000$;$$35,000$ and the mean household income is $$

$$35,000$;$$35,000$

$$35,000$;$$30,000$

$$30,000$;$$40,000$