The Archean eon, which preceded the Proterozoic eon, spanned about 1.5 billion years and is subdivided into four eras: the Neoarchean (2.8 to 2.5 billion years ago), Mesoarchean (3.2 to 2.8 billion years ago), Paleoarchean (3.6 to 3.2 billion years ago), and Eoarchean (4 to 3.6 billion years ago).*.
The minimum total contributions under automatic enrolment have been set down by the Government and are set to increase between now and 2018. Your employer must pay some of the minimum total contribution. If the employer doesn't pay all of the minimum total contribution, you will need to make up some of the difference.f your employer decides to use pensionable pay rather than qualifying earnings, your employer must satisfy one of three sets of alternative requirements for their pension scheme to qualify for use under automatic enrolment and in order to calculate the minimum total contributions payable. The three sets are:
Class 4 National Insurance contributions. 1  If you make profits above Â£8,060 in 2015-16, you have to pay Class 4 contributions. 2  The amount you have to pay is 9% on profits between Â£8,060 and Â£42,385 in the 2015-16 tax year. 3  On profits above Â£42,385, the rate falls to 2% .elf-employed National Insurance. If you're self-employed, there are two types of National Insurance contribution you may have to pay. These will differ based on how much profit you make in a year.