What is total amount spent on wages and salary before any tax is being taken? [those ernings above £40000 are paying 40% income tax on income tax over £40000 and 20% on anything below £40000

hello your question is open ended hence I will give you a more general answer

answer : $12,000 * number of workers  or $24,000 * number of workers

Explanation:

Income taxes are taxes been levied directly on the  income earned by the tax payer.

According to Tax rules there is a certain amount of income an individual would have to earned before any tax will be taken, incomes below $12,000  are tax free ( for singles ) and $24,000 for married individuals ; Hence the Total amount spent on wages and salary before tax is being taken = $12,000 * number of workers or $24,000 * number of workers . ( unless otherwise stated )

i might look it up later.