Resposta :
100% + 20%= 120%
120%/100>> 1,20
1,20 × 30.000,00= 36.000,00
_______________________
100% - 10%= 90%
90%/100>> 0,90
0,90 × 36.000,00= 32.400,00
100% + 20%= 120%
120%/100>> 1,20
1,20 × 30.000,00= 36.000,00
_______________________
100% - 10%= 90%
90%/100>> 0,90
0,90 × 36.000,00= 32.400,00