Using a loyalty card at the local gas station store, Ella gets a free soda after buying 5 sodas at the regular price of 89¢. Same-sized sodas at the local fast food restaurant are 79¢ each. How do the two deals compare if Ella buys 6 sodas?
A Ella saves 50¢ by purchasing her sodas at the fast food restaurant
B Ella saves 60¢ by purchasing her sodas at the fast food restaurant
C Ella saves 29¢ by purchasing her sodas at the gas station using the loyalty card
D Ella saves 31¢ by purchasing her sodas at the gas station using the loyalty card