CALCULO DE TASAS IVA 16% TASA C/IVA 2,000 TASA S/IVA 23.75% 3.800% 27.55% 750,000 TASA S/IVA 43.75% 7.000% 50.75% iva ponderado DIF. $ 748,000 DIF. % 23.20%