What is the correct quotes for upper and lower ball joints replaced + alignment?

The upper and lower ball joints installed with alignment runs about $975.00 with tax. We have a first time customer discount of $100.00 so $875.00 Dealers may have to replace control arm but aftermarket has come out with a replaceable joint. After checking with parts house there is a design change in 2001. If control is needed the whole job would be $1150.00 with first time customer discount. Need to see vehicle to do an accurate estimate and make sure the work is needed. The inspection and estimate are free.