Daily Life in New Zealand's Polytechnic

I have almost been in NZ for 1 and half years. After 15 months hard work, some bitcoins trade and study fees’ support from family, I became a student in a polytechnic in New Zealand.

Looks good? After many times’ practice.

Just 10 dollars for a student

I am wondering should I take them back and fix them and sell them???

The Puzzle is

My answer is not right, just a small mistake in it. Haha