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).
Tesla has caught the attention off the auto industry by combining long range and sexy looks, in contrast to most of the electric cars being offered by mainsteam makers. At present, Tesla sells only the Model S sedan, a luxury car selling for about $80,000 and up. GM was trying to keep the news secret until the reveal Monday morning.