This report is based on my work experience in the years 2010 to 2013 During the time I have worked in the company it was necessary to apply all the knowledge I was given during my studies at the National University of Trujillo and thus update the information received at that university time, which describes my obligations which helped me to climb little too little and to understand more the necessity to be updated in this race since its branches are diverse and infinite to learn. Each step taken in the company has served me a lot since I have been able to contrast the teachings of the University, remember the extraordinary teachings of our best professors that this great house of studies has. My start was as Accounting assistant and then I assumed the responsibility of taking the Treasury in which at the beginning it was chaotic, but little by little, updating the accounting system, defi...