The remainder is 4, see attachment for detailed answer:
11/50 for club, as normally 13 clubs. 2 gone. normally 52 in pack. 2 gone.
13/50 for a diamond. still 13 diamonds, but only 50 cards.
3/50. one out of four jack's are taken out. leaving 3. 50 cards in deck.
2&4 same?
C(Tianna) = $40 + $10x
C(Liam) = $20x