ryczałt angolul:

The lump sum means an additional remuneration paid in excess of the pay scale.

She received a tax-free lump sum on leaving the company.

pay a lump sum

Her divorce settlement included a lump sum of $2 million.; The money can be paid to the winner in a lump sum or in yearly payments.

No price regulation shall apply to the flat rate.

He charges a flat rate of £15 an hour.