Inflation In the year 2,000 the average salary in Mexico for a just graduated engineer was $7,000 pesos per month. In 2018 it was $12,000 pesos per month. a) If average inflation from 2000 to 2018 was 4% per year, how much is the 2018 average salary in 2000 constant pesos? b) Who had better salaries, engineers graduated in 2000 or engineers graduated in 2018?