Over the $5-$year period, which product was the most expensive to produce?

Trousers

Shirts

Jumpers

Suits

Other$\backslash$table$[[$AvxE Fashion Productions$],[$Product$,\backslash$table$[[$Pradurkien$],[$Cost$],[$BEP Ibem$]],$Totad number of Sales $(1000)$ by Year$],[$YeEP $1,$Yoar $2,$Hoar $3,$Yea $4,$Year $5],[$Trousers $,2x-1,$$$3\mathrm{.}20,7,230,5,124,6,186,4,820,12,945],[$Shirts$,$$$4,73,9,542,5,462,4,654,3,698,7,684],[$Jumpers$,$$$2\mathrm{.}64,6,437,4,369,6,438,5,815,8,428],[$Suits$,$$$11\mathrm{.}36,2,564,7,264,1,579,6,479,2,545],[$other$,$$$2,45,5,456,8,126,7,126,9,433,11,943,$