Goods X and Y are complements, and the cross-elasticity of demand is –0.8. At a price of $10 for good X, the quantity of good Y demanded was 2000 units per week. Following a change in the price of good X, demand for good Y rises to 2800 units per week. What is the new price of good X?
- A$5.00
- B$6.80
- C$13.20
- D$15.00