The activity bases identified for each activity are as follows: The activity-base usage quantities and units produced for the three products were determined from corporate records and are Each product requires 40 minutes per unit of machine time. Required: If required, round all per unit amounts to the nearest cent. 1. Determine the activity rate for each activity. 2. Letermine the total and per-unit activity cost ror all three products. 3. Why aren't the activity unit costs equal across all three products since they require the same machine time per unit? The unit costs are different because the products consume many activities in ratios different from the