In 2019, X Company sold 6,250 units of its only product. Total revenue was $1,608,750, total variable costs were $660,000, and total fixed costs were $642,000. In 2020, there are only two expected changes: variable costs will increase by $4.90 per unit, and fixed costs will decrease by $49,800. How many units must X Company sell in 2020 in order to earn $34,000?