You pay a flat rate of Class 2 National Insurance contributions regardless of how profitable your business is (though low-earning businesses can be exempted altogether). You also pay Class 4 National Insurance contributions calculated as a percentage of your annual profits above a basic threshold.National Insurance contributions are calculated and collected as part of your self-assessment tax return.ou pay a flat rate of Class 2 National Insurance contributions regardless of how profitable your business is (though low-earning businesses can be exempted altogether). You also pay Class 4 National Insurance contributions calculated as a percentage of your annual profits above a basic threshold.
Purchase price: Tesla Model S and Model X. Base prices for the 2017 Tesla Model S sedan range from $68,000 to $134,500, depending on package; the 2017 Model X crossover ranges from $88,800 to $138,800. Further upgrades are available (more on that below).
According to a company statement, Model S buyers who use a referral link from a current Tesla owner will receive a discount of $1,000 off the purchase price of the car.udging by the feedback from its owners, Tesla brand advocates abound. While $1,000 does not seem like a difference-maker for this class of car enthusiasts, a trip to the Gigafactory launch and a shot at a special-edition Model X seem like they would be right up the alley of Teslaâs biggest fans.