Dominus Inc, uses account analysis to estimate costs and had estimated the following costs as cost that are driven by labor hours Fixed costs Account 1 1,252 Account 2 328 Account 3 555 Account 4 1,536 These costs are associated with a 360 labor hours variable costs 3,146 2,417 1,251 537 Determine the linear cost equation and estimate what total costs would be if the company uses 490 labor hours