What taxes do I have to pay when I declare income received in my Nomad checking account from foreigners in "Carnê Leão"?

“Carnê Leão” Income Tax Rates
Amount of the monthly income	Income tax rate	Deductible amount of the income tax
Up to R$ 1.903,98	-	-
Between R$ 1.903,99 and R$ 2.826,65	7.5%	R$ 142,80
Between R$ 2.826,65 and R$ 3.751,05	15%	R$ 354,80
Between R$ 3.751,05 and R$ 4.664,68	22.5%	R$ 636,13
Greater than R$ 4.664,68	27.5%	R$ 869,36