Arbor Company produces two different products, propellors and engines, using two different activities: - Machining - uses machine hours as an activity driver - Inspection - uses number of batches as an activity driver Usage of the activity drivers and total costs for the activities: If the company uses the cost pools and cost drivers described above, what amount of inspection cost is assigned to engines? \begin{tabular}{|l|} \hline$80,000 \\ $840,000 \\ $60,000 \\ $150,000 \\ $180,000 \end{tabular}