2010 LPAT proofreading - Question no. 2

For instant, they spend a lot of time in fashion and idols.

Corrected sentence: For instance, they spend a lot of time on fashion and idols.

instance /ˈɪn.stənts/  a particular situation, event or fact, especially an example of something that happens generally

instant/ˈɪn.stənt/ happening immediately, without any delay

"Spend on" instead of "spend in" 

She spends a lot of money on clothes.