I've just bought a very tidy little 1999 Peugeot 106 Zest 2. It's really very clean, the bodywork is good and the interior is excellent. It has 74000 miles on it. The one problem is rust in the boot. I bought the car knowing that it has this rust issue. My old Saxo, which of course is basically the same car, never had this problem despite being 2 years older. Is this easy enough to fix or have I bought a duffer? I'm pretty sure I could stick a screwdriver through very easily so it will need fixed before it's next MOT in February.
Here's my car:

And here is the rust:
