Rather than keeping track of the actual cost of operating a vehicle, employees and self-employed taxpayers can use a standard mileage rate to compute their deduction related to using a vehicle for business. ...
... business owner (that is, a “self-employed” individual) under: A profit-sharing plan, for which the 2015 contribution limit is $53,000 — $59,000 if you’re age 50 or older and the plan includes a 401(k) ...