Inca Paradox: Maybe the pre-Columbian civilization did have writing

Quoted: The Spaniards, who were no slouches themselves in the bureaucracy department?Pizarro?s landing party included 12 notaries?observed that the Incas were remarkably skilled with numbers. For many years during the 16th century, says Frank Salomon, a professor of anthropology at the University of Wisconsin, Inca khipucamayocs and Spanish accountants would square off in court during lawsuits, with the khipu numbers usually deemed more accurate.