calculating net profit margin The manufacturing capacity of the UK car is ranked by the top, which can be seen from the manufacturing scope of the product and the scale of the industry involved. The British automobile manufacturing scope covers include cars, commercial vehicles, buses, bus in various fields, such as mass production can be conducted at present, the UK has seven car manufacturers, eight commercial vehicle manufacturers, 11 bus passenger car manufacturers, more than 10 large premium cars and sports car manufacturers. According to the British association of automobile manufacturers and dealers, in 2013, Britain has 1.6 million cars, rolled off the production line is equivalent to have a new car every 20 seconds, 77% of products exported to all over the world. The level of car manufacturing in the UK is also attracting top manufacturers from around the world. However, smaller, yet unestablished, Banks are still keen to attract new businesses, such as the recent announcement of Atom Bank, a multi-million dollar mobile provider for investors. Keynes argued that savings and investment were two interdependent variables, not two independent variables. 6. The accounting benefit is bound by the prudent principle. According to the principle of prudence, when there are a variety of accounting methods to choose from an economic business of an enterprise, it should choose a method that neither overestimates nor depreciates the benefits. Enterprises manipulate profits to achieve homogenization of profits, most of which adopt the method of overestimating earnings, and the subjective selection of the period of value-added. The income or loss of equity investment in an enterprise refers to the balance of the income of the enterprise due to the withdrawal, transfer or liquidation of the equity investment. The income from the transfer of equity investment shall be incorporated into the taxable income of the enterprise and shall pay the enterprise income tax according to law. No a couple can be very alike. One person will enjoy outgoing activities while the other would like the actions that one can pursue in your own home. Even when you are looking at friends, we have to comprehend that most the friends that individuals have may also be different. Friends themselves have different tastes and incredibly different likes. Additionally, some businesses tend to omit or neglect the after-sales service. /After putting the money into the pocket, businesses shoulder no responsibility for the successive service. This narrow-minded view wipes off the potential business based on customers' impression. When Businesses have been immersed in counting the temporary money, they have failed to gain more in future. /For example, the diamond of shoes from ABC I had purchased dropped off in two days. I had to head for the relevant repairing center. However, the repaired shoes broke again and irritated me to ask for the refund. What's more, they even charged more for the refunded money. Later I sworn never to offer a glance at this shop and dissuaded friends from visiting it. The customer's feeling directly decides on products' life in the market.