totalTaxAndPromoIncluded method
Implementation
num totalTaxAndPromoIncluded(
num itemsTotal,
double promo,
num discountAmount,
double taxePercentage,
) =>
totalTaxExcludedPromoIncluded(itemsTotal, promo, discountAmount) +
taxesVal(itemsTotal, promo, discountAmount, taxePercentage);