Jolex uses the high-low method of estimating costs. Jolex had total costsof $20,643 at it's lowest level of activity, when 3,346 units were sold. When, at it's highest level of activity, sales equaled 7,301 units, total costs were $37,298.

Jolex would estimate fixed costs as;_____ Give your answer as a whole number but do not round your calculations until you get to the final answer.