Look at the table below. Is it normalized or not? If it is not normalized, please normalize $(1$NF$)$ it$.(10$ points$)$

$\backslash$table$[[$item$,$colors,price,tax$],[$T$-$shirt,red, blue,$12\mathrm{.}00,0\mathrm{.}60],[$polo$,$red, yellow,$12\mathrm{.}00,0\mathrm{.}60],[$T$-$shirt,red, blue,$12\mathrm{.}00,0\mathrm{.}60],[$sweatshirt$,$blue, black,$25\mathrm{.}00,1\mathrm{.}25]]$