Paul is going to buy a collectible vintage painting from a local art gallery. The painting is priced at $500 in the gallery. The gallery owner does accept credit cards but prefers cash. In fact, he offers to give Paul a 5% discount if he can pay in cash. Paul doesn't have any cash but can get a cash advance on his credit card. His credit card has an APR of 18% on credit purchases and a 30% APR on cash advances. Paul decides to use his credit card instead of a cash advance, so what will he have to pay over a period of 12 months on his credit card? Write the answer below to the nearest cent.
a) $561.00
b) $572.40
c) $583.20
d) $594.00