The Joey Company is estimating its costs based on past information and uses the high-low method for cost estimation. The total costs incurred at different levels of output were as follows: Output (units) Total costs $ 42 000 8 400 70 000 13 300 98 000 18 200 The Joey Company has now established that there is a stepped increase in fixed costs of $4 200 when output reaches 84 000 units. The estimate of total costs for an output of 56 000 units using the additional information is: [Round your answer to the nearest integer.] Calculator W Overview standard