Please answer in simple terms, define and give an example for each economic term (both vocabulary terms for every number):

1. Accounting and Economic Profit
2. The Law of Diminishing Marginal Returns
3. Fixed Costs, Variable Costs, and Total Cost
4. Total Product, Marginal Product, and Average Product
5. Economies of Scale and Diseconomies of Scale
6. Perfect Competition
7. Productive and Allocative Efficiency