Either table f or table g shows a proportional relationship. table f x 1 2 4 5 y 2 4 8 10 table g x 3 5 7 9 y 1 3 5 7 brainliest for whoever gives the right answer

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?