A model for the design of instruments used in observing traits or testing unobservable traits. The preferred method of developing tests and scoring for tests, like the Likert scale.
The Mileage Tax Deduction. The Mileage Tax Deduction is a credit made for the 21st century. The amount of road travel we engage in for the most common aspects of our life is either wonderful or absurd depending on how you view things.ou get the choice of claiming the actual vehicle expenses deduction or taking the mileage rate. Obviously you want the one that affords you the biggest advantage. The actual expense deduction includes: 1  Gas.
Whether to use the standard mileage rate or actual costs is a numbers game. Generally, the more economical the vehicle is to operate, the more likely it is that the standard mileage rate will give you the bigger deduction. Conversely, the higher the operating costs, e.g., gas, repairs, tires, etc. the more beneficial the actual cost method is likely to be.