create uk-wage-tax.org file.

This expands on the uk wage file, which will be deleted in a future commit.

uk-wage-tax.org

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+#+options: ':nil *:t -:t ::t <:t H:3 \n:nil ^:t arch:headline author:t
+#+options: broken-links:nil c:nil creator:nil d:(not "LOGBOOK") date:t e:t
+#+options: email:nil expand-links:t f:t inline:t num:t p:nil pri:nil prop:nil
+#+options: stat:t tags:t tasks:t tex:t timestamp:t title:t toc:t todo:t |:t
+#+title: UK Wage and Tax Rates
+#+date: \today
+#+author: Craig Oates
+#+email: craig@craigoates.net
+#+language: en
+#+select_tags: export
+#+exclude_tags: noexport
+#+creator: Emacs 29.1.90 (Org mode 9.7-pre)
+#+cite_export:
+
+* Overview of UK Minimum/Living Wage and Tax Rates
+
+- [[https://www.gov.uk/national-minimum-wage-rates][UK National Minimum/Living Wage Rates]]
+
+Because I am over 21 years of age, at the time of writing, I'm only going to be
+dealing with the 'Over 21' rates.
+  
+#+begin_src lisp :results output raw
+  (let* ((min-wage 11.44) ; April 2024
+         (day-wage (* min-wage 8))
+         (wk-wage  (* day-wage 5))
+         (mth-wage (* wk-wage 4))
+         (ann-wage (* mth-wage 12)))
+    (format t "|Time Span|Wage (£)|~%")
+    (format t "|-|-|~%")
+    (format t "|Day  (8 Hrs)|~a|~%" day-wage)
+    (format t "|Week (5 Day, 40 Hrs)|~a|~%" wk-wage)
+    (format t "|Month|~a|~%" mth-wage)
+    (format t "|Year|~a|~%" ann-wage))
+#+end_src
+
+#+RESULTS:
+| Time Span            |  Wage (£) |
+|----------------------+-----------|
+| Day  (8 Hrs)         |     91.52 |
+| Week (5 Day, 40 Hrs) | 457.59998 |
+| Month                | 1830.3999 |
+| Year                 | 21964.799 |
+
+*Note:* These figures don't take into account holiday/sick pay. These figures are
+ just to give me a ballpark figure of what the UK government considers the bare
+ minimum one should expect to earn in the UK from April 2024.
+
+* Income Tax Rates (upto 5th April 2024)
+
+- [[https://www.gov.uk/income-tax-rates][UK Income Tax Rates]]
+
+| Band               | Taxable income      | Tax rate |
+|--------------------+---------------------+----------|
+| Personal Allowance | Up to £12,570       |       0% |
+| Basic rate         | £12,571 to £50,270  |      20% |
+| Higher rate        | £50,271 to £125,140 |      40% |
+| Additional rate    | over £125,140       |      45% |