Gloria's only income in $2023$ was $$161,000$ in wages from two employers. One employer reported, on her Form W$-2,$ state disability insurance $($SDI$)$ withholding of $$990.$ The other employer reported on her Form W$-2,$ voluntary plan disability insurance $($VPDI$)$ withholding of $$459.$

Calculate the amount of excess disability insurance Gloria had withheld.