The answer is $34.69
You would take 49.99 x 0.25 = 12.4975
Then 49.99 x 0.10 = 4.999. This is to find the amount of your discounts.
So 49.99 - 12.4975 = 37.4925
Then, 37.4925 - 4.999 = 32.4935
Then, 32.4935 x 0.0675 = 2.19331125
32.4935 + 2.19331125 = 34.6861125 or 34.69