replace rear quik strut assy's rusted springs

What is your question?

My mechanic told me a couple months ago that this would need to be done but I could wait. Now he's saying it really needs to be done and rear tires need replacing too. He says the cost for parts and labor will be $980 - just for the strut/springs, it looks like that price is a little high. I have used him for awhile and thought he was giving me fair prices but I don't know.