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At the end of $2020,$ Elizabeth Regina retired after $19$ years of participation in her employer's defined benefit pension plan. The pension plan provides a benefit based on $1\mathrm{.}5\%$ of her best earnings over three consecutive years. Elizabeth's earnings during the past seven years are the highest throughout her career. If Elizabeth earned $$59,000$ in $2014,$$$65,000$ in $2015,$$$70,000$ in $2016,$$$74,000$ in $2017,$ $$68,000$ in $2018,$$$73,000$ in $2019$ and $$71,000$ in $2020,$ what will be Elizabeth's annual pension?

$$18430$

$$20140$

$$19855$

$$20435$