proportional tax / flat-rate tax
proporsionele belasting
intela edonswa ngokulingana
irhafu etsalwa ngokwengeniso
lulinganontsela / intsela lelinganako
umthelo wesilinganiso sinye
lekgethotekano
motšhelo wo o lekaneditšwego
lekgetho le lekanang tefo / kgafa e lekanang tefo
muthelo tetshelwa
xibalondzingano