live of about eight years, so with the defibrillator policy, we know there would be a cost of may i approa approach -- maintaining it. for standard 40 vehicles, it would be about 640,000. training costs, again, this is something that we looked at, the sheriff department's cost. we estimated about 20 instructors with the police department, with initial training costs of 8700 for the 20 instructors, and 4500 by annual replacement. now our understanding from talking to police department staff is there would be some-tsh some of the training would be incorporated into the overall training budget, so we're not exactly looking at new training costs for police officers. we also know that the police department does not routinely backfill with overtime if a police officer's removed from an assignment to go to training. however, we felt there was a productivity cost here, if a police officer is in training and not, you know, in the field, so not knowing how many hours under the staff policy there would be for initial training, we estimated that the training cost for 735 police officers would range fr