Find fixed cost

Hrane Company accumulates the following data concerning a mixed cost, using units produced as the activity level. \begin{tabular}{|lrr} & UnitsProduced & TotalCost \\ March & 12,600 & $22,680 \\ April & 11,340 & 20,910 \\ May & 13,230 & 23,374 \\ June & 10,950 & 20,410 \\ July & 11,970 & 21,500 \end{tabular}