Microwave that must rust

2 years ago i bought a microwave at \Dion wired\" they sold me a further 2 year extended guarantee<br> since day one the steaming function of the (sharp steaming microwave) have not worked <br> it has been in for repairs twice for that same purpose, keeping the microwave for two months leaving me without one. <br> now two years passed and the interior of the microwave is completely rusted, and according to the manager the microwave should rust.<br> i paid R2500 for this microwave not to mention the extended guarantee and now yet again i can not use it <br> <br> <br> "