Ella purchased a game that was on sale for 12% off. The sales tax in her county is 6%. Let y represent the original price of the game. Write an expression that can be used to determine the final cost of the game.

A:y − 0.12y
B:0.06(0.88y)
C:1.06(0.88y)
D:y − 0.88y + 0.06y