For this case, we must indicate what was the final cost of the items since the TV has a 20% discount. So, we make a rule of three to determine the discount amount.
545 ---------------> 100%
x -------------------> 20%
Where "x" represents the amount given by the 20% discount.

So, on TV you save $ 109.

Payment for TV $ 436
Then the total cost of the two items, excluding taxes, was:

Answer:
$ 625