Let y=20,000(0.95)^x repesents the purchasing power of $20,000 with an inflation rate of 5% per year. the table below represents the first 4 years later, rounded to the nearest dollar. which year is incorrect?

years later (x)
purchasing power $ (y)
1year =19,100
2years=18,050
3years= 17,148
4years= 16,290