So, it looks like the average difference in between the SGS - Alternative CPI-1980s about 7%-8% between 1990 and now so that means that a dollar back then is wo

So, it looks like the average difference in between the SGS - Alternative CPI-1980s about 7%-8% between 1990 and now so that means that a dollar back then is worth about 7.5- 10 dollars today (1.07^30 -- 1.08^30). The average wage for person who graduate high school, but didn't go to any college was 26k in 1990[0]. So, this is claiming that the average high school graduate made 200k-260k in today's dollars. This is not true. Is my math wrong? I feel like these inflation fears are getting ridiculous. [0]https://www.infoplease.com/business/economy/median-annual-income-level-education-1990-2010 https://www.infoplease.com/business/economy/median-annual-in...