stawka vat przy sprzedaży sportowego wynosi 23%

a)
[tex]113.16 - 123\% \\ x - 100\% \\ \\ x = \frac{113.16 \times 100}{123} = \frac{11316}{123} = 92zl[/tex]
b)
[tex]134.07 - 123\% \\ x - 100\% \\ \\ x = \frac{134.07 \times 100}{123} = \frac{13407}{123} = 109zl[/tex]
c)
[tex]182.04 - 123\% \\ x - 100\% \\ \\ x = \frac{182.04 \times 100}{123} = \frac{18204}{123} = 148zl[/tex]