How to change check calculator settings to view new costing comparison

First up! We need to undo what we've done so, let's undo and change the settings we have; we need to deselect the partial order we currently have setup, we need to deselect the category we are on, we need to change the category from Appointment Letters to Training, we need to select the fire training, we need to set the fire training to the right number of persons (units), we need to create the partial order and then use this in the test calculator to compare prices: