LG microwave

I bought an LG Microwave at makro at the beginning of the year and I have been using it ever since, until it stopped working. I decided to take the microwave back so they can deal with it. I was told that it would take 3-4weeks to fix my microwave. This causes a major inconvenience in my home right now and it is, to me extremely unreasonable that it needs to take almost a month to fix it. I bought this microwave at high price and it just doesn't seem fair to me, it feels as if I am not getting my money's worth. Because of thus inconvenience It is highly likely that I have to spend even more money to get a microwave for now until this is fixed. The money that I have to spend does not measure my patience for a brand that promises quality. I expect feedback and hopes a way forward. Thank you.