Answer the following multiple choice question?

- We want to convince city leaders to adopt the process of adding defibrillators to each city supported recreational centerand gym to significantly reduce the cost and time of life saving techniques by personnel. Though the costs were significant, and training took several hours of the trainer's time, this resulted in 3.14 days reduction in hospital stays and an average of $3,000 hospital cost reduction. It cost $200,000 to pay the trainer to conduct these sessions, which we think is too expensive. If we continue these sessions, we want to use a different and cheaper trainer. What aspect of cost data are we discussing?

1. Participant cost estimates
2. Cooperating agencies
3. Agency fiscal records
4. All answers are correct

- Ron wants to investigate whether reducing plastic consumption really has an impact on the environment. Once he determines it does, he wants to find ways to increase recycling. Overseas, he finds a vending machine that provides free food to stray animals every time people recycle an empty bottle into the bin. This has increased recycling 76% and he decides to implement it here. What aspect of evaluation is he focusing on?

1. Outside evaluation
2. Ex post analysis
3. Systematic inquiry
4. Direct-instrumental use

- After we install shark netting, shark detectors, and drones to monitor the migration of bull and tiger sharks. we determine there has been a decrease in shark attacks and increase happiness at the beach. Which optimal prerequisites of ex post cost-benefit analysis do we best meet?

1. The benefits of the program can be represented in monetary terms
2. The program has independent or separable funding
3. The results are expected to interest decision makers
4. The program is beyond the development stage and we believe the effects are significant