Answer:
A. $35(.90)(1.08) = $34.02 (correct)
B. $90(.90)(1.08) = $87.48 (correct)
C. $45(.90)(1.08) = $43.74 (incorrect)
D. $65(.90)(1.08) = $63.18 (incorrect)
E. $50(.90)(1.08) = $48.60 (incorrect)
F. $85(.90)(1.08) = $82.62 (correct)
A, B, and F are correct.