The following shows the Consumer Price Index $($CPI$)$ for the years $2000-2005.$ All of the values use a reference ycar of $1983.$

Consumer Price Index $2000-2005$

Which of the following is true about the CPI, based on the information?

$$100$ in $1983$ would be equivalent to $$18970$ in $2004$

$$100$ in $2000$ would be oquivalent to $$1897$ in $2004$

$$100$ in $2002$ would be equivalent to $$189\mathrm{.}70$ in $2004.$

$$100$ in $2004$ would have been warth $$18970$ in $1989$