a.
The rebate is:

Therefore, the rebate is $710
b.
To determine the percent of the rebate we use a rule of three:

then:

Therefore the rebate is 4.17%
c.
The amount of the cash discount is:

Therefore, the amount of the cash discount is $163.35
d.
The dealers final price is:

Therefore, the dealer's final price is $16171.65
e.
The dealer's total savings is:

Hence the dealer's total savings is $873.35