Using the Abbreviations Listed Below, Indicate for Each of the Costs

Using the abbreviations listed below, indicate for each of the costs whether the cost should be classified as: $\begin{array} { l } \mathrm { P } = \text { Prevention } \\D = \text { Detection } \\\mathrm { I } = \text { Internal Failure } \\\mathrm { E } = \text { External Failure } \\\mathrm { N } = \text { none of the above } \\\end{array}$
1. Cleaning up contaminated soil
2. Designing processes
3. Recycling scrap
4. Auditing environmental activities
5. Testing for contamination
6. Losing a lake for recreational use
7. Measuring contamination levels
8. Recycling products
9. Maintaining pollution equipment
10. Evaluating and selecting suppliers