Price of computer = $2000.
In Country X (7% GST):
Tax = \( \frac{7}{100} \times 2000 = 140 \)
Total in X = 2000 + 140 = $2140
In Country Y (10% tax):
Tax = \( \frac{10}{100} \times 2000 = 200 \)
Total in Y = 2000 + 200 = $2200
Savings by buying in X = 2200 − 2140 = $60.
Final Answer: B: $60