An employee starts work on 1 January 2000 on an annual salary of $30,000. His pay scale will give him an increase of $800 per annum on the first of January until 1 January 2015 inclusive. He remains...

An employee starts work on 1 January 2000 on an annual salary of
$30,000. His pay scale will give him an increase of $800 per annum on the
first of January until 1 January 2015 inclusive. He remains on this salary
until he retires on 31st December 2040. How much will he earn during his
working life.