To solve this problem you can apply the following rule of three:
$ 1,435 ---> 100%
$ 1,595 ---> x
Clearing x we have:
x = ((1595) / (1435)) * (100)
x = 111.1498258
Then, the difference is:
111.1498258 - 100 = 11.14982578%
hundredths of a percent:
11.15%
Answer:
the dealer's price from the Blue Book: It is 11.15%