Consider the following statements : I. Pali texts contain the first definite references to coins, e.g., kahapana, nikkha, kamsa, and kakanika. II. The literary evidence from Pali texts is corroborated by archaeological evidence of punch-marked coins from many sites, most of them made of silver. The above statements have been associated with which of the following ? 1. Emergence of urban life 2. Transition to money economy Select the answer using the code given below :