Question 429184
We should solve for both A & B's ending prices.  Dealer A offered a $1200 rebate, plus an 8% discount after rebate,so:

A's price = (1-.08)(18000-1200) = $15456

Likewise, for dealer B we get:
(1-.08)(18000)-1200 = 16560-1200 = $15360

Thus the lowest rate is given by

(a) dealer B

at a rate of

(b) $15360